DISCOVER THE EYEKEPPER DIFFERENCE Please kindly understand most costomers need blocked more blue light for protect the eyes and meet the online test so the lenses must with visibly tinted or very dark lens The frame for the most comfortable fit available today in addition to unparalleled durability TR90 frame with metal arms sleep glasses are a natural sleep aid suitable for people FEATURES AND BENEFITS Anti-UV Anti glare Anti fatigue Anti jet lag blue blocker Get maximum protection with ourpatented, multi layer coating designed specifically to reduce glare, wearing this glasses while working in front of a computer or playing games can prevent visual fatigue and headaches Whether you are looking for computer glasses or sleep glasses, Eyekepper sleep glasses will give you the premium protection and a natural sleep aid suitable Anti glare, anti fatigue, anti jet lag blue blocker glasses are a safe and comfortable sleep aid that prevents insomnia and other sleep disorders. CARE To avoid damage, never clean your computer glasses with paper towels or clothing or alcohol, and also avoid using household detergents or soaps. While a few mild soaps don't harm lenses, today's extra strength soaps are powerful enough to slowly disintegrate lens coatings.QUALITY TR90 FRAME - Registered Reading Glasses and Eyewear. EYEKEPPER COMPUTER GAMING GLASSES - Superior Blue Light Blocking Computer Glasses that will reduce eye strain when working on a computer, tablet, phone or television. ANTI BLUE EYEGLASSES - Included a microfiber cloth and hard case,Anti Glare and Scratch Resistant Lens,Orange tinted lenses,UV Protection. Superior UV Light Blocking Computer Glasses that will reduce eye strain when working on a computer, tablet, phone or television.Excellent for Relieving Visual Discomfort and fatigue associated with using a computer for long periods of time. EYEKEPPER SLEEP EYEGLASSES - Wearing this glasses while working in front of a computer or playing games can prevent visual fatigue and headaches, anti all harmful blue light, designed for anyone using an electronic device such as computers, T.V.'s or phones. This meets the requirements of the U.S. , and exceeds European Union requirements. PRODUCTS DIMENSION - Frame material: TR90 and metal, Lens width:2"(51mm), Frame width:5 1/2"(140mm), Lens height:1 9/16"(40mm), Frame height:1 3/4"(45mm), Bridge (DBL):9/16"(15mm), Temple length: 5 1/2"(140mm), Spring hinge: no, Head size: Narrow. .