Medium width Warby Parker - Durand blue light filtering glasses (no prescription) Not quite square, not quite round, Durand strikes a perfect balance all while making a sharp first impression. Made from hand-polished cellulose acetate Lenses are made from polycarbonate, the most impact-resistant material for eyeglasses Includes anti-reflective, scratch-resistant lenses that block 100% of UV rays Non-Prescription +$145 Offers style and protection with no vision correction. Blue-light-filtering +$50 Scratch-resistant, anti-reflective lenses that block 100% of UV rays; they also filter more blue light than our classic lenses—and may help if screen time is affecting your sleep. From a smoke free home.