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Anti Blue Light Screen Protector, Anti Glare (3 Pack) for 15.6 Inches Laptop. Filter out Blue Light and relieve computer eye strain to help you sleep better music_Aug2024_update Wide operating voltage range: 2v-6vAnti Blue Light Screen Protector, Anti Glare (3 Pack) for 15. 6 Inches Laptop. Filter out Blue Light and relieve computer eye strain to help you sleep better Description Blue Light Explained Macular Degeneration Blue light (HEV) penetrates all the way to your retina and has been shown that too much exposure to blue light can damage light sensitive cells in the retina. This causes changes that are similar to those of macular degeneration, which can