Blue light from digital screens Eye vision hurts Blocks blue light lenses on the this reading glasses Highly recommended to your computer working time Computer reader, blocks blue light reading glasses,filter blue light from digital screens Screen Protect reading glasses, Computer reading glasses designed for computer, smartphone or tablet screen work. Blue light reduction from digital screens. Great to these conditions: Blocks blue light from Smartphone digital screen Reading books, UV protection. Good for daily using. See clear and do your favorite hand crafting. Read more