Life Is Better With The World's Best Color Blind Glasses! Protan, which is about 25% of red-green color blindness cases, results in more issues with reds than greens. So, we boost reds and normalize the red-green ratio. All EnChroma lenses feature 100% UV Protection, anti-scratch and anti-reflective coatings, and are made from optical grade lens materials. About the Frame: Eton | Sophisticated & Sporty Crisp rectangular shape combines classy looks with extremely durable, ready-to-play comfort. - Lightweight, flexible TR90 shape memory technology frames - Library-type temple with contoured rubber covers - Molded hinges and shaped-for-comfort saddle bridge