blue light blocking glasses 2pack square computer glasses women/men, nerd reading gaming glasses non prescription (b2 black+bean flower) feirdio 3.bridge:18mm arm:140mm lens height:42mm total frame:137mm anti blue light blocker, suitable for any face type.classic square fake glasses frame.why our frames help you feel better because they’re made better ?the screens we look at every day emit blue light which causes headaches, insomnia, eye strain, and can even lead to serious long-term retina damage. our glasses offer superior protection from blue light.gaming glasses:7 key benefits: whether you work in front of a computer monitor or you're a rabid gamer, you'll benefit from the lenses' effective blue light blocking, anti-smudge & anti-scratch properties, dust & water resistance and uv ray protection.sleep better:blue blocker computer glasses can reduce eye strain and headache, so you can enjoy a restful deeper sleep. our blue blocker glasses men women can also help you get to sleep faster.affordable price:we have identified an issue in the blue light filtering glasses market. you either have expensive glasses, that are not for every budget, or very cheap glasses that give you bogus protection.we develop our own production, to the people who need it at the most suitable price and the best blue light protection.1. independent research and development design, first-class professional team, can achieve 100% blocking blue light, reducing the harm of blue light to the eyes. 2. as a person to try it out, what we have to do is to share good products with everyone.1.we guarantee: lifetime warranty, not satisfied with the refund. 2.100% blue light protection, professional blue light test completely passed.