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 FEATURES AND BENEFITS Anti-UV Anti glare Anti fatigue Anti jet lag blue blocker Bifocal part is raised inside of the lens Get maximum protection with ourpatented, multi layer coating designed specifically to reduce glare, reflect blue light away from the user and relieve long term eye strain caused by excess electronic device use. As well as a lense designed to block more than 90% of blue light Whether you are looking for computer glasses for the office or a late night Netflix binge. Eyekepper glasses will give you the premium protection you are looking for If you are unfamiliar with blue light it's right next to UV light on the spectrum of light. It is comprised of very high energy and a low wavelength very similarly to UV light. All of our electronic devices with a back-lit screen give off large quantities of blue light (Iphones, Ipod, Laptop, Computer TV.) 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 INCLUDES 1*hard zip EVA case 1*microfiber soft pouch 1*cleaning soft cloth 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.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. Registered Gamer Glasses and Computer Eyewear. BIFOCAL ANTI BLUE EYEGLASSES - Included a hard zip EVA case, a microfiber soft pouch and a cleaning soft cloth, Anti Glare and Scratch Resistant Lens, Yellow 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. UV PROTECTION - Will keep your eyes safe from harmful UV 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 is TR90, Lens width about 2 3/8 inches (61mm), Frame width about 5 5/16 inches (135mm), Lens height about 1 7/16 inches (36mm), Frame height about 1 5/8 inches (41mm), Bridge (DBL) about 3/8 inches (10mm), Temple length about 5 5/16 inches (135mm), without Spring Hinges, Lenses is Aspheric, fit medium head size.