Gunnar produces the only blue light blocking reading glasses with patented lens (#9417460) technology that is recommended by doctors to protect and enhance your vision. Gunnar improves performance while viewing tablets, smartphones, TV & computers to reduce Digital Eye strain, fatigue and headaches. Unlike other readers, Gunnar developed the Blue Light Protection Factor, telling you exactly how much of the peak blue light spectrum (450nm) we're blocking. Not all blue light glasses in the market protects you from the strongest high-energy visible light. The preferred reading Glass for men and women, 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. Specs (in mm) lens Width: 50, bridge: 19, Temple: 140, weight: 23Gm, fit: small. Gunnar produces 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 reading glasses - microfiber pouch, microfiber cleaning cloth. Gunnar blue light readers are available for those who need extra focusing power. Choose from amber or Clear Lens tints with focusing powers from +1.0 to +3.0.

SPECS (in mm) Lens Width: 50, Bridge: 19, Temple: 140, Weight: 23gm, Fit: Small. GUNNAR produces ergonomically designed gaming/computer eyewear with a lightweight frame to give you a full day of comfortable screen viewing. The preferred reading glass for men and women, 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. Unlike other readers, our Blue Light Protection Factor tells you exactly how much of the peak blue light spectrum (450nm) is blocked, protection against the strongest high-energy visible light. Recommended by doctors, our blue light blocking reading glasses (Patented Lens #9417460) protects your vision, reduce eye strain and headaches while viewing tablets, computers, TV, and phone screens.