toolNAR produces the only blue light blocking computer and gaming glasses with registered designed Lens (#9417460) Technology that is recommended by doctors to protect and enhance your vision. toolNAR improves performance while viewing devices smartphones TV & computers to reduce digital eye strain fatigue and headaches. Unlike other sunglasses toolNAR developed the Blue Light Protection Factor telling you exactly how much of the peak blue light spectbeverage (450nm) were blocking. Not all blue light glasses in the market protects you from the strongest high-energy visible light. The preferred gaming glass for men and women toolNAR 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: 58 Bridge: 13 Temple: 135 Weight: 31gm Fit: Medium. toolNAR 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 gaming and computer glasses - microfiber pouch microfiber cleaning cloth. toolNAR gaming glasses enhance performance and provide a competitive edge. Play playter with styles designed for panoramic viewing and audio headset compatibility.