TVZ Metal Frame Blue Light Blocking Reading Glasses - Reduce Digital Eyestrain and UV with Spring Hinge Readers & Tint Review

Metal frame. Resin lens. non-polarized. Lens width: 50 millimeters. Bridge: 21 millimeters. Arm: 14.3 centimeters. 【PREVENT HARMLFULL BLUE RAY】Prolonged exposure to blue light will slowing or stopping the production of melatonin, causing sleep disorders. TVZ anti-blue light reading glasses are designed to reduce eye strain, protect the eyes from the potential risks of blue light. Enjoy your digital time, no worry about eye fatigue, blurred vision and headache, let you have a better sleep. 【4 PACK BLUE LIGHT BLOCKING READING GLASSES】 Convenient Set of 4 blue light reading glasses means you'll have a pair handy wherever you are. Keep a pair in your favorite reading spots. TVZ blue light filter and UV400 lenses can cut 99% of harmful blue light & UV400. Whether they are used for reading, watching TV, gaming, using computer or mobile phone, they all meet your needs. 【DURABLE METAL FRAME WITH SPRING HINGE】 Durable, Flexible and Comfortable. The spring hinge design does not clamp the face, which is suitable for various face sizes and long-term wearing. Classic design, elegant appearance keeps you looking professional and stylish while working or reading. 【PRODUCT DIMENSION】Lens Width: 50mm (1.97inches) , Lens Height: 31mm (1.22inches), Temple Length: 143mm (5.63inches), Nose Bridge: 21mm (0.83inches). 【180 DAYS FREE REPLACEMENT WARRANTY】Enjoy your reading glasses, We offer 180 Days replacement warranty. There is no risk for trying our product that we will provide you the best service!.