👓 SIGVAN Rectangle Frame Blue Light Blocking Reading Glasses (4 Pairs) for Men and Women, Trendy Computer Eyeglasses Readers Review

non-polarized. 防紫外线涂层 coating. Bridge: 18 millimeters. Arm: 140 millimeters. BLUE LIGHT BLOCKING-If you watch the screen for a long time, it may cause eye fatigue, nervousness, sleep quality, shoulder stiffness and back pain. SIGVAN blue light blocking glasses can block blue light and radiation emitted by screens such as smart phones and TVs. HIGH QUALITY MATERIAL - polycarbonate lenses reduce chromatic aberrations, restore true colors,lenses with accurate degrees, Temple with firm and flexible,excellent toughness, lightweight, and making these reading glasses not easy to be scratched.To ease your close reading pressure. FLEXIBLE SPRING HINGE - Suitable for all face types. Whether your face is oversized, petite or medium, it can easily solve your problem.The arbitrarily swingable spring leg design also reduces the squeezing of the glasses to the head.Good protection for your eyes and head!. COMFORTABLE EYEWEAR - It is comfortable enough to make you forget to wear glasses, and it can be worn flexibly and gently according to the shape and width of your face, so you can use it for a long time. AFTER-SALES SERVICE: If you have any questions about quality, please feel free to contact us. We look forward to your cooperation! We will do our best to provide customers with high-quality glasses and the best service.