Eyekepper Blue Light Reduction,Fitover Anti-Blue Blocking Computer Glasses with Yellow Tinted Lenses PRODUCTS DIMENSION - Frame Material: TR90, Lens width: 2 1/16"(61mm), Frame width: 5 15/16"(150mm), Lens height: 1 13/16"(37mm), Frame height: 1 1/8"(42mm), Bridge (DBL): 1/2"(13mm), Temple length: 5 11/16"(145mm), Spring hinge: No, Lenses: Aspheric, Head size: Medium EYEKEPPER COMPUTER WEAR OVER EYEGLASSES - Obliterate Blue Light with our patented computer glasses that will keep your eyes safe from 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. FDA, and exceeds European Union requirements EYEKEPPER BLUE BLOCKER FIT OVER GLASSES - Included a EVA zip case, a microfiber pouch and a cleaning soft cloth, Superior Blue 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 Research shows that moderate blue light can make the field of vision brighter, if you filter too much blue light, the screen color will be dim distortion, the long time down, but the burden on the eyes instead. Therefore, blocking the blue damage, you should choose a modest anti-blue lens QUALITY TR90 FRAME - FDA Registered Gamer Glasses and Computer Eyewear,Accord with ANSI Z80.3-2010,Accord with BS EN ISO 12312-1:2013 and EN14139:2010,Accord with AS/NZS 1067:2009,Quality plastic frame,lenses and have spring-loaded hinges You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!