We've decided to produce our collection from the high-grade Japanese TR90 used in aerospace technology as it has the highest strength-to-weight ratio of any metal. This also means our glasses only weigh 17.05 grams. You can wear them for hours and forget you have them on Anti-blue light progressive multifocal glasses for indoor or outdoor, all-weather wear, for people with presbyopia problems, especially when reading books, newspapers, watching TV, playing games, traveling, gathering, fishing, this is A thoughtful and practical helper Prevent blue light, ultraviolet light, Anti Reflective, Anti Glare, and Anti Eye Strain lensďźprotect eyesight. Its lenses have blue light filters along with an anti-glare coating to reduce eye strain. If you wear prescription glasses, you can often add blue light blockers technology as an upgrade your prescription lenses. They're made to block 90-99% of blue light, while reducing eye strain and eye fatigue Warby Parker is now offering blue light blocking lenses on all of their eyewear. Peepers reading glasses are specifically designed with readers in mind, offering magnification strengths of 1x to 3x and absorb 40 percent of harmful UV rays emitted from digital devices Doctors also state that their yellow lenses are suitable for reading in bed. Computer Glasses with amber tinted lenses to minimize Digital Eye Strain caused by harmful blue light emitted from digital screens Whether you're spending time under fluorescent lights at work or staring at a computer screen, you'll barely notice these TR90 nylon frames. A 2015 study found that too much blue light exposure at night can interrupt your sleep cycle and affect your alertness the next day. These anti blue light glasses help to reduce glare, offer UV400 protection, and make time on screens more comfortable. They're great for gaming, working on a laptop, or even watching television We found the best bluelightblocking glasses on Molooco's GAMMA RAY Anti UV Glare Blue Light Blocking Computer Glasses We truly believe we make some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 45 day guarantee. If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase. Buying items online can be a daunting task, so we want you to realize that there is absolute ZERO risk in buying something and trying it out. If you don't like it, no hard feelings we'll make it right. We have 24/7/365 Ticket and Email Support. Please contact us if you need assistance. Remember: Shipping usually takes 2-3 weeks read our Shipping For more details!