Optx 20/20 Eyedefend Yellowfin Safety bifocal lens Lenses pass ANSI Z87.1 protection standards Crystal Clear streamlined design with sunglass styling and clear/yellow temples Extreme lightweight semi-rimless design High-performance 100% polycarbonate bifocal lenses Blocks 100% UVA/UVB light You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!