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Find expert ratings, style tips, and buying guides for glasses and sunglasses to help you choose the perfect pair.","online eyewear review, glasses review, sunglasses review, eyewear ratings, best eyeglasses, buying guide glasses, stylish eyewear, affordable sunglasses","2025-06-12 16:25:26","online-eyewear-review",[730],{"id":140,"title":723,"head_title":724,"head_description":725,"head_keywords":726,"sort":5,"create_time":731,"pid":136,"leve":15,"status":5,"url_title":728,"list_title":732,"list_comment":8,"pc_img":8,"wap_img":8,"listtitlelang":723},"2025-06-12 16:30:14","Online Eyewear Review",{"id":144,"title":734,"head_title":8,"head_description":8,"head_keywords":8,"sort":71,"create_time":735,"pid":9,"leve":5,"status":5,"url_title":736,"list_title":103,"list_comment":8,"pc_img":8,"wap_img":8,"listtitlelang":8,"list":737},"Elección de gafas & guías de estilo de vida","2025-12-08 20:49:34","glasses-lifestyle-guides",[738],{"id":148,"title":734,"head_title":8,"head_description":8,"head_keywords":8,"sort":5,"create_time":739,"pid":144,"leve":15,"status":5,"url_title":736,"list_title":740,"list_comment":8,"pc_img":8,"wap_img":8,"listtitlelang":734},"2025-12-08 20:53:58","Glasses Choosing & Lifestyle Guides",{"id":95,"title":742,"head_title":743,"head_description":8,"head_keywords":8,"sort":67,"create_time":744,"pid":9,"leve":5,"status":5,"url_title":745,"list_title":8,"list_comment":8,"pc_img":8,"wap_img":8,"listtitlelang":8,"list":746},"Gafas recomendadas","Find why Lensmart recommends these glasses - Lensmart Blog","2023-09-26 15:15:23","recommended-glasses",[747],{"id":129,"title":748,"head_title":749,"head_description":8,"head_keywords":8,"sort":5,"create_time":750,"pid":95,"leve":15,"status":5,"url_title":751,"list_title":752,"list_comment":8,"pc_img":8,"wap_img":8,"listtitlelang":753},"La elección de Lenssmart","Lensmart's Pick: Explore The Best Glasses for This Year","2023-09-26 15:20:35","picks","Explore The Best Glasses with Lensmart","Explora las mejores gafas con Lensmart",{"id":156,"title":755,"head_title":756,"head_description":8,"head_keywords":8,"sort":59,"create_time":757,"pid":9,"leve":5,"status":5,"url_title":758,"list_title":103,"list_comment":8,"pc_img":8,"wap_img":8,"listtitlelang":8,"list":759},"Venta De Vacaciones","holiday-sale - Lensmart Blog","2024-11-06 11:12:18","holiday-sale",[760],{"id":132,"title":755,"head_title":756,"head_description":8,"head_keywords":8,"sort":5,"create_time":761,"pid":156,"leve":15,"status":5,"url_title":758,"list_title":762,"list_comment":8,"pc_img":8,"wap_img":8,"listtitlelang":755},"2024-11-06 11:16:15","Holiday Sale",[764,773,782,792,801],{"id":765,"type_id":10,"sort":27,"desc":766,"title":767,"img_alt":8,"img":768,"f_title":103,"url_title":769,"label":8,"author":8,"head_title":770,"head_description":766,"head_keywords":8,"create_time":771,"goto_url":772},990,"Shift facial proportions instantly by choosing frames with the right bridge width and visual weight. Learn to make your nose smaller and face thinner.","Glasses and Face Shape: How to Slim, Lift, and Balance Your Features","https://image.lensmartonline.com/product/2026-04-07/1775550547695498.jpg","glasses-alter-facial-proportions-guide","How to Change 5 Facial Features With the Right Glasses","2026-04-07 16:42:10","/blog/eyeglasses-online-buying-guide-blog/details/glasses-alter-facial-proportions-guide/",{"id":774,"type_id":10,"sort":51,"desc":775,"title":776,"img_alt":8,"img":777,"f_title":103,"url_title":778,"label":8,"author":103,"head_title":779,"head_description":775,"head_keywords":8,"create_time":780,"goto_url":781},998,"Use a smartphone app, a ruler with a friend, or a mirror to measure your pupillary distance (PD) at home. Get accurate numbers for your new glasses easily.","How to Measure Your Pupillary Distance at Home: 3 Methods Ranked","https://image.lensmartonline.com/product/2026-05-15/1778824835785061.jpg","best-ways-to-measure-pd-at-home","Measure PD at Home: 3 Easy & Accurate Methods","2026-05-15 13:50:08","/blog/eyeglasses-online-buying-guide-blog/details/best-ways-to-measure-pd-at-home/",{"id":783,"type_id":10,"sort":192,"desc":784,"title":785,"img_alt":8,"img":786,"f_title":103,"url_title":787,"label":8,"author":788,"head_title":789,"head_description":784,"head_keywords":8,"create_time":790,"goto_url":791},479,"Worried about your child's vision? Learn the crucial warning signs, from squinting to social changes. Get practical tips for early detection and home testing methods.","Is Your Child Having Trouble Seeing? A Simple Guide for Parents","https://image.lensmartonline.com/2025-03-20/1742441154573726.jpg","child-vision-problems-warning-signs-guide","Lensmart","Kids Vision Warning Signs: Complete Parent's Guide 2025","2025-03-14 14:12:01","/blog/eyeglasses-online-buying-guide-blog/details/child-vision-problems-warning-signs-guide/",{"id":793,"type_id":10,"sort":39,"desc":794,"title":795,"img_alt":8,"img":796,"f_title":103,"url_title":797,"label":8,"author":103,"head_title":798,"head_description":794,"head_keywords":8,"create_time":799,"goto_url":800},994,"Match your facial structure to the right frame design in minutes. Find the best glasses for men in 2026 using our simple face shape and style guide.","Best Glasses for Men in 2026: Frame Styles, Face Shapes, and What Actually Looks Good","https://image.lensmartonline.com/product/2026-04-28/1777356222444915.jpg","mens-glasses-face-shape-style-guide","Best Men's Glasses 2026: Top Frame Styles & Face Shapes","2026-04-28 14:08:06","/blog/eyeglasses-online-buying-guide-blog/details/mens-glasses-face-shape-style-guide/",{"id":802,"type_id":10,"sort":353,"desc":803,"title":804,"img_alt":8,"img":805,"f_title":103,"url_title":806,"label":8,"author":8,"head_title":807,"head_description":803,"head_keywords":8,"create_time":808,"goto_url":809},992,"Tortoiseshell works for everyone because its multi-tone pattern naturally matches any skin tone. Learn how to choose between honey, classic, and amber frames.","Tortoiseshell Glasses: Why They Work for Almost Every Face and Skin Tone","https://image.lensmartonline.com/product/2026-04-15/1776241099338968.jpg","tortoiseshell-glasses-color-matching-tips","Tortoiseshell Glasses 2026: Styling Tips and Color Guide","2026-04-15 16:31:18","/blog/eyeglasses-online-buying-guide-blog/details/tortoiseshell-glasses-color-matching-tips/",{"type":811,"list":815,"url":825},{"p_type":812,"pp_type":814},{"id":126,"title":813,"pid":9,"head_title":599,"head_description":8,"head_keywords":8,"url_title":601,"list_title":8,"list_comment":8,"pc_img":8,"wap_img":8},"Eyeglasses Tips & Guides",{"id":10,"title":610,"pid":126,"head_title":605,"head_description":606,"head_keywords":607,"url_title":609,"list_title":610,"list_comment":8,"pc_img":8,"wap_img":8},{"id":816,"type_id":10,"sort":9,"desc":817,"title":818,"img_alt":8,"img":819,"f_title":103,"url_title":820,"label":8,"author":8,"content":821,"head_title":822,"head_description":817,"head_keywords":8,"create_time":823,"status":5,"is_tj":9,"desclang":824,"head_canonical":8,"author_id":9,"author_img":8,"author_role":8,"author_content":8},1015,"OD is right eye, OS is left. SPH is lens power, while CYL and Axis fix astigmatism. Learn exactly what your eye prescription means to order glasses online.","How to Read Your Eye Prescription: SPH, CYL, Axis, and Everything Else Explained","https://image.lensmartonline.com/product/2026-07-14/1784008367801492.jpg","how-to-read-eye-prescription-guide","\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Your doctor hands you a prescription card, and it looks like a row of numbers and abbreviations that mean nothing at a glance. That card is everything you need to order prescription glasses online, but only if you know what each field actually means. The numbers are straightforward once you know the logic behind them.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cimg src=\"https://image.lensmartonline.com/product/2026-07-14/1784008364184666.jpg?imageView2/2/interlace/1/ignore-error/1/format/webp\" width=\"600\" height=\"343\"/>\u003C/span>\u003C/h2>\u003Cp>\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Quick Reference: Your Prescription at a Glance\u003C/span>\u003C/h2>\u003Cp>\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cdiv style=\"width: 100%; overflow-x: auto;\">\u003Ctable style=\"border-collapse: collapse; width: 937;\">\u003Ctbody>\u003Ctr style=\"height: 27px\" class=\"firstRow\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-center\" style=\";text-align: center;font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Field\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-center\" style=\";text-align: center;font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">What It Means\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-center\" style=\";text-align: center;font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Example\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-center\" style=\";text-align: center;font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">How to Read It\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">OD\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Right eye (oculus dexter)\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">OD: -2.00\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Your right eye needs a -2.00 SPH lens\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">OS\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Left eye (oculus sinister)\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">OS: -1.75\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Your left eye needs a -1.75 SPH lens\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">SPH\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Lens power to correct nearsight or farsight\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">-2.00 / +1.50\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">– = nearsighted; + = farsighted; higher number = stronger\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">CYL\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Astigmatism correction strength\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">-0.75\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Blank = no astigmatism; any value = correction needed\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Axis\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Direction of astigmatism (1–180°)\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">090\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Only appears with CYL; copy exactly as written\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">ADD\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Extra reading power for bifocals/progressives\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">+2.00\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Always positive; applies to the reading zone of the lens\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">PD\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Distance between pupils in mm\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">63 / 31/32\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Single number = both eyes; two numbers = right/left separately\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Prism\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Corrects eye alignment issues\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">1.5 BU\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Number = strength; BU/BD/BI/BO = direction of correction\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003C/tbody>\u003C/table>\u003C/div>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/h2>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">What Is SPH?\u003C/span>\u003C/h2>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Ca href=\"https://www.lensmartonline.com/blog/eyeglass-basics/details/what-is-cyl-axis-sph\" style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public; text-decoration: underline;\">\u003Cspan style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public;\">SPH stands for sphere\u003C/span>\u003C/a>\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">. It tells you how strong your lenses need to be to bring your vision into focus, and whether you are nearsighted or farsighted.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">How to Read the Sign\u003C/span>\u003C/h3>\u003Cp>\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: public; font-size: 15px; color: rgb(51, 51, 51); letter-spacing: 0px; vertical-align: baseline;\">● \u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline;\">Minus (–)\u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\"> means nearsighted (myopia). You can see close up but struggle with distance. Nearsighted glasses carry a negative SPH value.\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">\u003Cbr/>\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: public; font-size: 15px; color: rgb(51, 51, 51); letter-spacing: 0px; vertical-align: baseline;\">● \u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline;\">Plus (+)\u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\"> means farsighted (hyperopia). You see better at a distance but struggle up close.\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">\u003Cbr/>\u003C/span>\u003C/span>\u003C/p>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">How to Read the Number\u003C/span>\u003C/h3>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">The number is measured in diopters (D), increasing in 0.25 steps. The further from zero, the stronger the prescription.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cdiv style=\"width: 100%; overflow-x: auto;\">\u003Ctable style=\"border-collapse: collapse; width: 329;\">\u003Ctbody>\u003Ctr style=\"height: 27px\" class=\"firstRow\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-center\" style=\";text-align: center;font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">SPH Value\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-center\" style=\";text-align: center;font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">What It Means\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">0.00 to –1.00\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Mild nearsightedness\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">–1.25 to –3.00\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Moderate nearsightedness\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">–3.25 to –6.00\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">High nearsightedness\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">–6.00 and above\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Very high nearsightedness\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">+0.25 and above\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Farsightedness\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003C/tbody>\u003C/table>\u003C/div>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">\u003Cbr/>\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">If your SPH field says \u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline;\">pl\u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\"> or \u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline;\">plano\u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">, it means zero, no correction needed in that eye for distance.\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">\u003Cbr/>\u003C/span>\u003C/span>\u003C/p>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cimg src=\"https://image.lensmartonline.com/product/2026-07-14/1784008365255337.jpg?imageView2/2/interlace/1/ignore-error/1/format/webp\" width=\"600\" height=\"343\"/>\u003C/span>\u003C/h2>\u003Cp>\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">What Is CYL?\u003C/span>\u003C/h2>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">CYL stands for cylinder. It measures the degree of astigmatism in your eye, which happens when the cornea or lens is not perfectly round.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">A CYL value on your glasses prescription means your lenses need an extra curve in a specific direction to correct blurry or distorted vision. Not everyone has astigmatism. If your CYL field is blank or reads 0.00, your eyes are symmetrical enough that no astigmatism correction is needed.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Positive vs. Negative CYL\u003C/span>\u003C/h3>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Prescriptions can be written in two formats: minus cylinder (most common in the US) or plus cylinder (used in some other countries). The two formats describe the same correction differently. If you are ordering astigmatism glasses online, use the format written on your prescription without converting it.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">CYL Always Comes with an Axis\u003C/span>\u003C/h3>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">CYL on its own is not enough. The lens needs to know not just how much correction to apply, but in which direction. That is what Axis does.\u003C/span>\u003C/p>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\"> \u003C/span>\u003C/h2>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">What Is Axis?\u003C/span>\u003C/h2>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Axis tells the lab where to position the cylinder correction on your lens. It is a number from 1 to 180, representing degrees of orientation.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline;\">Axis only appears when CYL has a value.\u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\"> If your CYL is blank, Axis will be blank too.\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">\u003Cbr/>\u003C/span>\u003C/span>\u003C/p>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">What the Numbers Mean\u003C/span>\u003C/h3>\u003Cp>\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">The Axis number does not indicate severity. An Axis of 180 is not worse than an Axis of 45. It simply tells the lens maker which angle to cut the astigmatism correction at.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cdiv style=\"width: 100%; overflow-x: auto;\">\u003Ctable style=\"border-collapse: collapse; width: 312;\">\u003Ctbody>\u003Ctr style=\"height: 27px\" class=\"firstRow\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-center\" style=\";text-align: center;font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Axis Range\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-center\" style=\";text-align: center;font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Orientation\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Around 180 or 0\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Horizontal astigmatism\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Around 90\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Vertical astigmatism\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Around 45 or 135\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Oblique astigmatism\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003C/tbody>\u003C/table>\u003C/div>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Getting the Axis wrong, even by a few degrees, can cause noticeable distortion. Always copy the number exactly as written on your prescription.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cimg src=\"https://image.lensmartonline.com/product/2026-07-14/1784008366556248.jpg?imageView2/2/interlace/1/ignore-error/1/format/webp\" width=\"600\" height=\"343\"/>\u003C/span>\u003C/h2>\u003Cp>\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">What Are the Other Numbers on Your Prescription?\u003C/span>\u003C/h2>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">ADD\u003C/span>\u003C/h3>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Ca href=\"https://www.lensmartonline.com/blog/glasses-lifestyle-guides/details/add-prescription-reader-strength-calculator\" style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public; text-decoration: underline;\">\u003Cspan style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public;\">ADD stands for addition power\u003C/span>\u003C/a>\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">. It appears on prescriptions for bifocal or progressive lenses, and tells the lab how much extra magnification to add to the bottom portion of the lens for reading.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: public; font-size: 15px; color: rgb(51, 51, 51); letter-spacing: 0px; vertical-align: baseline;\">● \u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">ADD values are always positive, typically between +0.75 and +3.00\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: public; font-size: 15px; color: rgb(51, 51, 51); letter-spacing: 0px; vertical-align: baseline;\">● \u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">Both eyes usually carry the same ADD value\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: public; font-size: 15px; color: rgb(51, 51, 51); letter-spacing: 0px; vertical-align: baseline;\">● \u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">If you have a single-vision prescription for distance only, ADD will be blank\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">\u003Cbr/>\u003C/span>\u003C/span>\u003C/p>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">PD (Pupillary Distance)\u003C/span>\u003C/h3>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Ca href=\"https://www.lensmartonline.com/blog/glasses-lifestyle-guides/details/how-to-measure-pd-at-home\" style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public; text-decoration: underline;\">\u003Cspan style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public;\">PD is the distance in millimeters\u003C/span>\u003C/a>\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\"> between the centers of your two pupils. It tells the lab where to center the optical prescription on each lens.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">PD comes in two formats:\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: public; font-size: 15px; color: rgb(51, 51, 51); letter-spacing: 0px; vertical-align: baseline;\">● \u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline;\">Single PD:\u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\"> one number for both eyes together, e.g., 64mm\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; color: rgb(51, 51, 51); letter-spacing: 0px; vertical-align: baseline; font-family: public;\">● \u003C/span>\u003Ca href=\"https://www.lensmartonline.com/blog/eyecare/details/single-vs-dual-pd-for-eyeglasses\" style=\"font-size: 15px; font-weight: bold; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public; text-decoration: underline;\">\u003Cspan style=\"font-size: 15px; font-weight: bold; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Dual PD\u003C/span>\u003C/a>\u003Cspan style=\"font-family: public;\">\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline;\">:\u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\"> two numbers, one per eye, e.g., 32/32. The first number is the right eye (OD), the second is the left (OS)\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">\u003Cbr/>\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">PD is not always included on a printed prescription. If yours does not have it, you can \u003C/span>\u003Ca href=\"https://www.lensmartonline.com/blog/eyeglasses-online-buying-guide-blog/details/best-ways-to-measure-pd-at-home\" style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public; text-decoration: underline;\">\u003Cspan style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public;\">measure it at home\u003C/span>\u003C/a>\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\"> with a ruler and a mirror, or ask your eye doctor directly. Most online retailers, including Lensmart, require PD to process your order.\u003C/span>\u003C/p>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/h3>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Prism\u003C/span>\u003C/h3>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Ca href=\"https://www.lensmartonline.com/blog/glasses-lifestyle-guides/details/prism-base-directions-decoding-prescription\" style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public; text-decoration: underline;\">\u003Cspan style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Prism appears on prescriptions\u003C/span>\u003C/a>\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\"> when the eyes do not align properly, causing double vision or eye strain. It is expressed as a number (the strength) and a direction abbreviation:\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: public; font-size: 15px; color: rgb(51, 51, 51); letter-spacing: 0px; vertical-align: baseline;\">● \u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">BU = base up\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: public; font-size: 15px; color: rgb(51, 51, 51); letter-spacing: 0px; vertical-align: baseline;\">● \u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">BD = base down\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: public; font-size: 15px; color: rgb(51, 51, 51); letter-spacing: 0px; vertical-align: baseline;\">● \u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">BI = base in\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan style=\"font-family: public; font-size: 15px; color: rgb(51, 51, 51); letter-spacing: 0px; vertical-align: baseline;\">● \u003C/span>\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">BO = base out\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left MsoNormal\" style=\";font-size: 16px;font-family: 等线;line-height: 1.5\">\u003Cspan style=\"font-family: public;\">\u003Cspan data-font-family=\"default\" style=\"font-family: public; font-size: 15px; letter-spacing: 0px; vertical-align: baseline;\">\u003Cbr/>\u003C/span>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Most prescriptions do not include prism. If yours does, make sure the retailer supports prism lenses before ordering.\u003C/span>\u003C/p>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\"> \u003C/span>\u003C/h2>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">How Do I Order Prescription Glasses Online?\u003C/span>\u003C/h2>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Once you understand your prescription, ordering online is straightforward.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Step 1: Have Your Full Prescription Ready\u003C/span>\u003C/h3>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">You need the values for SPH, CYL, Axis (if applicable), ADD (if applicable), and PD. If any field is blank on your prescription, leave it blank when ordering.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Step 2: Select Your Frame\u003C/span>\u003C/h3>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Choose based on fit, face shape, and style. Frame measurements are listed on most product pages. Pay attention to lens width, \u003C/span>\u003Ca href=\"https://www.lensmartonline.com/blog/glasses-lifestyle-guides/details/how-to-measure-nose-bridge-glasses\" style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public; text-decoration: underline;\">\u003Cspan style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public;\">bridge width\u003C/span>\u003C/a>\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">, and temple length.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Step 3: Choose Your Lens Type\u003C/span>\u003C/h3>\u003Cp>\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cdiv style=\"width: 100%; overflow-x: auto;\">\u003Ctable style=\"border-collapse: collapse; width: 556;\">\u003Ctbody>\u003Ctr style=\"height: 27px\" class=\"firstRow\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-center\" style=\";text-align: center;font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Lens Type\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-center\" style=\";text-align: center;font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; font-weight: bold; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Who It's For\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Single vision\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">One prescription throughout the lens (distance or reading)\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Ca href=\"https://www.lensmartonline.com/eyeglasses/bifocal-lenses\" style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public; text-decoration: underline;\">\u003Cspan style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Bifocal\u003C/span>\u003C/a>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Two zones: distance on top, reading on bottom\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Ca href=\"https://www.lensmartonline.com/eyeglasses/progressive-lenses\" style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public; text-decoration: underline;\">\u003Cspan style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Progressive\u003C/span>\u003C/a>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Gradual transition from distance to reading, no visible line\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003Ctr style=\"height: 27px\">\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Non-prescription\u003C/span>\u003C/p>\u003C/td>\u003Ctd colspan=\"1\" rowspan=\"1\" style=\"box-sizing: border-box; vertical-align: middle; padding: 0px 7.2px; border-width: 1px; border-color: rgb(0, 0, 0); border-style: solid;\">\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Plano lenses, blue light blocking, or fashion only\u003C/span>\u003C/p>\u003C/td>\u003C/tr>\u003C/tbody>\u003C/table>\u003C/div>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/h3>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Step 4: Enter Your Prescription\u003C/span>\u003C/h3>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Type each value exactly as written. Double-check CYL sign (+ or –) and Axis number. A small typo here affects how well the lenses work.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Step 5: Upload or Verify\u003C/span>\u003C/h3>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">At Lensmart, you can enter your prescription values directly during checkout or upload your prescription card for review.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cimg src=\"https://image.lensmartonline.com/product/2026-07-14/1784008368348834.jpg?imageView2/2/interlace/1/ignore-error/1/format/webp\" width=\"600\" height=\"343\"/>\u003C/span>\u003C/h2>\u003Cp>\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Prescription Glasses Can Be Stylish Too\u003C/span>\u003C/h2>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">A prescription does not limit your frame choices. At Lensmart, hundreds of styles across every shape and aesthetic are available with prescription lenses built in. \u003C/span>\u003Ca href=\"https://www.lensmartonline.com/eyeglasses/cat-eye\" style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public; text-decoration: underline;\">\u003Cspan style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Cat eye\u003C/span>\u003C/a>\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">, aviator, minimalist metal, oversized, vintage, whatever fits your face and your look.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Beyond everyday eyeglasses, \u003C/span>\u003Ca href=\"https://www.lensmartonline.com/sunglasses\" style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public; text-decoration: underline;\">\u003Cspan style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public;\">prescription sunglasses\u003C/span>\u003C/a>\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">, sports glasses, and kids' glasses are all available too. Single vision, bifocal, progressive, and even prism lenses are supported, so whether your prescription is simple or complex, Lensmart can fill it. The prices are easy on the wallet.\u003C/span>\u003C/p>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\"> \u003C/span>\u003C/h2>\u003Ch2 class=\"paragraph text-align-type-left tco-title-heading 2\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 21px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Frequently Asked Questions\u003C/span>\u003C/h2>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">What Is the Difference Between OD and OS on My Eye Prescription?\u003C/span>\u003C/h3>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">OD is the right eye (oculus dexter) and OS is the left eye (oculus sinister). Always check which row you are reading before entering prescription values. Mixing them up will produce lenses that are correct on paper but wrong for each eye.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Can I Use My Contact Lens Prescription to Order Glasses?\u003C/span>\u003C/h3>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">No. Contact lens and glasses prescriptions are not interchangeable. Contact prescriptions include additional measurements like base curve and diameter, and the power values often differ from a glasses prescription. Always use a glasses-specific prescription when ordering eyeglasses.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">How Long Is an Eye Prescription Valid?\u003C/span>\u003C/h3>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">In most US states, an eyeglass prescription is valid for \u003C/span>\u003Ca href=\"https://consumer.ftc.gov/buying-prescription-glasses-or-contact-lenses-your-rights\" style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public; text-decoration: underline;\" rel=\"nofollow\">\u003Cspan style=\"font-size: 15px; color: rgb(30, 111, 255); letter-spacing: 0px; vertical-align: baseline; font-family: public;\">one to two years\u003C/span>\u003C/a>\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\"> from the exam date. Check the expiration date printed on your card. If it has expired, you need a new eye exam before placing an order.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Ch3 class=\"paragraph text-align-type-left tco-title-heading 3\" style=\"line-height: 1.5\">\u003Cspan style=\"font-size: 19px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">What Does It Mean If My Prescription Has a Prism Value?\u003C/span>\u003C/h3>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">Prism corrects eye alignment issues that cause double vision or eye strain. Lensmart supports prism lenses: when entering your prescription at checkout, select "Add Prism" and fill in the prism value and base direction (In, Out, Up, or Down). Both vertical and horizontal prism are supported. If your prescription is complex, reach out to cs@lensmartonline.com before ordering.\u003C/span>\u003C/p>\u003Cp class=\"paragraph text-align-type-left\" style=\";font-family: 等线;font-size: 16px;line-height: 1.5\">\u003Cspan style=\"font-size: 15px; letter-spacing: 0px; vertical-align: baseline; font-family: public;\">\u003Cbr/>\u003C/span>\u003C/p>\u003Cp>\u003Cbr/>\u003C/p>","How to Read Eye Prescriptions: OD, OS, SPH & CYL","2026-07-14 14:02:47","{\"en\":\"OD is right eye, OS is left. SPH is lens power, while CYL and Axis fix astigmatism. Learn exactly what your eye prescription means to order glasses online.\",\"fr\":\"\",\"es\":\"\",\"de\":\"\",\"hu\":\"\",\"pt\":\"\",\"sk\":\"\"}","/eyeglasses-online-buying-guide-blog/details/how-to-read-eye-prescription-guide/"]