Eye Guardian Transparent Lens Antiblue light glasses that block harsh blue light and protect against energy visible blue light and UV400. Lenses have low color distortion for a natural viewing experience while safeguarding your eyes. PC lens is shock resistant, waterproof, dust, and easy to clean. PROTECTION FOR YOUR EYES Reduces visual fatigue and discomfort from long web surfing, gaming, and working under fluorescent lights with UV400 protection and glare reduction. Blue Light Blocking Glasses block harmful blue light from phones, computer monitors, gaming, and other devices. Enjoy digital time with less worry about eye fatigue, blurred vision, or headaches. TR90 Frame & Spring Hinge Ultralightweight and flexible TR90 frame material for durability and comfort during long wear. TR90 makes these glasses about half the weight of plastic glasses and twice as durable. Reinforced metal hinges ensure durability and reduce the risk of breakage. No fade. Casual frame design keeps you looking professional and stylish while working or playing video games. Sleep Better Prolonged blue light exposure can affect melatonin production and sleep quality. Our Blue Light Glasses help filter 100% harmful blue light (50% of all blue light) and alleviate visual fatigue, eye strain, headaches, and blurred vision. Support stable melatonin generation to help improve sleep quality. Use scenarios Office or study sessions: wear for long hours at a computer to reduce eye fatigue and maintain focus. Gaming or multimedia: enjoy extended screen time with glare reduction and clearer color perception. Evening screen use or presleep routines: filter blue light to support melatonin production and potentially improve sleep quality.