☀Protection for Your Eyes - Blue light blocking glasses can alleviates visual fatigue and discomfort from long periods of web surfing, gaming and working under fluorescent lights with protection and glare reduction.☀Blue Light Computer Glasses - Unlike other blue blockers on the market with heavily tinted lenses. Our low color distortion lens is optimized to provide the perfect balance blue light protection and vision quality.Blue Light Filtering,Reduced Glare,UV Light Blocking,Anti-Screen Flicker,Electromagnetic Ray Blocking lens.☀TR90 Material Frame - The frame of these blue light glasses are made from TR90 material. TR material makes these computer glasses only half weight of plastic glasses, and two times durable. And these blue light blocking glasses are also constructed with reinforced metal hinges to ensure durability and avoid breaking. No fade.☀Transparent Lens(Not Tinted Yellow Lens) - Give you a clear vision when play computer and laptop. Overal blue block rate: Low Color Distortion lens = ~52%, HD lens = ~62%☀After-sales service – if you are not satisfied, please contact us by email, we are always there.