Recommended by doctors our blue light glasses & computer Glasses (patented lens #9417460) protects your vision, reduces eye strain, headaches and improve sleep quality while viewing tablets, computers, TV, and phones. Unlike other blue light blocking glasses, our blue light Protection Factor tells you exactly how much of the peak blue light spectrum (450nm) is blocked, to offer the best protection in the market. Available in clear & amber tint. Gunnar protects against symptoms stemming from prolonged screen-staring including migraines, headaches, dry eyes, blurry vision, negative effects of blue light exposure- cataracts and macular degeneration. The preferred blue light Glass for men and women. About emery Premium acetate finish. Performance nylon lens. Flexible 3-barrel hinge. Specs (in mm) lens Width: 46, bridge: 15, Temple: 143, weight: 36Gm, fit: small. Ergonomically designed gaming/computer eyewear with a lightweight frame to give you a full day of comfortable screen viewing. Included with your purchase of our gaming and computer Glasses - microfiber pouch, microfiber cleaning cloth, 30-day love it or return it return policy & one-year warranty. Guaranteed to be the most comfortable blue light blocking glasses for your eyes or your money back.INCLUDED with your purchase of our gaming and computer glasses - microfiber pouch, microfiber cleaning cloth, 30-day Love It Or Return It return policy & one-year warranty. Guaranteed to be the most comfortable blue light blocking glasses for your eyes or your money back. ABOUT EMERY Premium Acetate Finish. Performance Nylon Lens. Flexible 3-barrel Hinge. Specs (in mm) Lens Width: 46, Bridge: 15, Temple: 143, Weight: 36gm, Fit: Small. Ergonomically designed gaming/computer eyewear with a lightweight frame to give you a full day of comfortable screen viewing. GUNNAR PROTECTS AGAINST symptoms stemming from prolonged screen-staring including migraines, headaches, dry eyes, blurry vision, negative effects of blue light exposure- cataracts and macular degeneration. The preferred blue light glass for men and women. Unlike other BLUE LIGHT BLOCKING GLASSES, our Blue Light Protection Factor tells you exactly how much of the peak blue light spectrum (450nm) is blocked, to offer the best protection in the market. Available in clear & amber tint. RECOMMENDED BY DOCTORS our blue light glasses & computer glasses (Patented Lens #9417460) protects your vision, reduces eye strain, headaches and improve sleep quality while viewing tablets, computers, TV, and phones.