LifeArt Optics was founded in 2012 with the mission to improve vision experience in a digital multi-screen world. As a traditional eyeglasses manufacturer with strong capability in R&D,LifeArt offers the highest quality eyeglasses with stylish look . And more than 1 million blue light blocking glasses have been sold around the world. LifeArt Blue Light Blocking Glasses: Improving Your Digital Life √Blue light blocking glasses lens applies the cutting-edge U.S. HEV-Adsorb substrate absorption technology. It can absorb and cut 39% of harmful high-energy blue light. √UV light prevention, Anti-blue-ray lens utilizes special U.S. substrate processing technology to protect the eyes from ultraviolet radiation and block UV light 420. √Transparent lens, the lens was made of a fully transparent base, without adding any pigment, while maintaining high light transmittance. less reflective, no affect reading, and almost no color difference, which can be perfectly used as computer glasses √Stylish frame, give men and women an elegant fit √Replaceable lenses -The original non-prescription lenses can be replaced with progressive/prescription lenses at your neighborhood reading glasses place. √Premium Lens Coating – UV Light Blocking (100% Blocking UVA&100% Blocking UVB) –Anti-Scratch –Anti-Reflective –Anti-Glare –Anti-Dust –Anti-Oil(Fingerprint Resistant) –Electromagnetic Ray Blocking Relieve symptoms of eye fatigue Blue light exposure during prolonged computer time would lead to eye fatigue. Wearing your LifeArt blue light blocking glasses to reduce the symptoms of eyestrain, like dry eyes, sticky eyes, and the feeling of grittiness or "sand" in the eye. Great for office and gaming occasion. Reduce symptoms of headache Do you suffer headaches from long time screen time? LifeArt blue light blocking glasses blocks detrimental blue light while letting in all other beneficial light. Sleep better This blue light messes with our internal clock making us think it's mid day when really it can be closer to night and stops our body from naturally producing the melanin that helps us fall asleep late at night. Wearing LifeArt blue light filter glasses will improve your sleep after a long time exposer to computer or cellphone. LifeArt latest lens coating technology Anti-glare coating (LifeArt) Anti-glare coating to void reflect light when you take photos by camera. No anti-glare coating If no anti-glare coating,there will be reflect light when you take photos by camera. 1.60 index lens(LifeArt) We use 1.60 index resin lens,we promise never use acrylic lens. 1.49/1.56 index lens 1.49/1.56 index lens is thicker LifeArt latest lens coating technology Easy to clean(LifeArt) We use anti-dust coating to make you to clean the surface easily. Hard to clean If no anti-dust coating,it is hard to clean the lens surface. Premium hard coating(LifeArt) Premium hard coating to make the lens enough hard to against impact. No hard coating If no hard coating,it is easy to make the lens broken. Show time