In today's digital world, screens, artificial light, and the sun are unavoidable. But you can defend your eyes against excessive blue light exposure with dollger lenses. As essential as sunscreen is for your skin, Dollger blue light glasses protect your eyes and promote better sleep, empowering you to see, work, feel, and look your best.Filter Bluelight Glasses with UV400 protection can anti 99.99% harmful blue ray from computer PC, TV, phone & ipad, tablet, video; reduce headache, migraine, eye strain eye dry and glare. square cat eye metal frame suitable for all faces. This non prescription glasses can effectively help you maintain healthy eyes by reducing exposure to high-energy blue light.