Frames that can stay all day long without causing discomfort! This is what these Retro Round Glasses for Comfortable Wearing encompass. Yes, we use lenses for these frames made using crystal-clear material to bring you the best comfort when wearing. The presence of the CR39 lens makes them the most impact-resistance eyeglasses. Further, the anti-scratch resistance material lenses we use, make it easy to handle without fearing scratches.The handmade frames use lenses that come with an anti-reflective coating. In turn, you need not have to worry about glaring issues. With four different color choices, these Neptune frames go well with any of your outfits. Cellulose acetate that is considered to be the highest quality of all frame materials, has been used in these glasses.