Amazon.com: Madison Avenue Blue Light Blocking Glasses 。Madison Avenue Blue Light Blocking Lens】 Filter high level blue light from digital screen of computer, phone and TV,maintain HD clear vision with less color distortion. 【Relieve Eye Strain and help Sleep Better】Reduce eye fatigue,headache, blurry vision caused long time exposion to blue light ray, protect eyes from UV and Glare. 【Metarial and Design】Light weight PC frame with anti-scrached PC lens,duarable metal hinge provide you comfort fit.Oversized design shine you style out. Best Gift for your eyes\' health! 【Size Dimension】Lens width:50mm(1.97inch),Lens height:45mm(1.77inch), Bridge width:22mm(0.87inch),Arm length:145mm(5.71inch). 【Gifted Package:】Each eyeglasses comes with a convenient glasses case,a micro fiber glasses cleaning cloth and a booklet.Exquisitely package making it an ideal gift for friends and family!