Edge Khor Polarized lenses remove glare from above and reflected light from below.. Safety vs. Style. Would you ever settle for just one? Of course not. That's why you choose Khor, redesigned with improved, sophisticated styling and superior comfort. Khor offers interchangeable lenses certified ANSI Z87.1-2010 from independent ANSI-accredited labs. 99.9% protection from UVA/UVB/UVC rays. Certified ANSI Z87.1-2010 and Military Ballistic MCEPS GL-PD 10-12.