Prolonged exposure to blue light can cause eye fatigue, blurred vision and headache. Our glasses can help make a difference! The glasses block harmful blue light from computer, phone and TV screens. The 3A transparent lenses not only block 99% of harmful blue rays, they provide a perfect balance between eye protection and visual experience. The ultra-light weight frame is suitable for long-term comfortable wear. Prolonged exposure to blue light slows the production of melatonin, which affects sleep. Wearing blue light glasses can help provide a better night’s sleep.