Feature: Tired of blurred vision, headaches, light sensitivity or dry eyes? Are you having trouble sleeping after long days sitting at the computer? Constant screen usage is now unavoidable, so take action and reduce your risk of long term eye issues with glasses that prevent harmful levels of blue light while still giving you an optimum viewing experience. This Glasses UV Light Blocking (100% Blocking UVA, 100% Blocking UVB) Anti-Scratch ​Anti-Reflective ​Anti-Screen Flicker Anti-Glare ​Anti-Fog Anti-Oil (Fingerprint Resistant) Warmly Tips: What is blue light? Natural blue light regulates your sleep and wake cycles. It also boosts alertness,elevates your mood,and increases feelings of well-being. Artificial blue light,found in things like computers and flat screen televisions,LED lights and energy-efficient light bulbs,can be harmful to your eyes, including dry eyes to digital eye strain,blurred vision,sleep cycle disruption and even macular degeneration. Description: Category: Clear glasses. Style: Half Frame. Lens Material:PC, Frame Material: Metal. Color: show as pictures. Size: Width: 55mm. Height: 43mm. Bridge: 18mm. Temple: 146mm. Attention: Due to lighting effects, monitor's brightness / contrast settings etc., there could be some slight differences in the color tone of the pictures and the actual item! Package included: 1 Pair Radiation glasses.