*This frame's lenses are without diopters. 1. How does Blue Ray hurt our eyes? In the light 400-500mm, there are lots of blue light, they like many knives pierce our eyes, they let our eyes can not be opened, and we will feel pain and swelling, the blue light affects our work and life.
2. Applicable User: for one use digital devices like mobile phones, computers, tablets on a daily basis, beneficial for office workers, teachers, students, IT engineers, drivers...
Protection for your eyes - Alleviates visual fatigue and discomfort from long periods of web surfing, gaming, and working under fluorescent lights with UV400 protection and glare reduction.
Eliminate fatigue- Blue Light Blocking Glasses can 100% effectively block harmful blue light coming from phones, computer monitors, gaming, and other devices. Eliminates eye strain that causes headaches, aching eyes, and blurred vision
TR90 Material Frame - The frame of these blue light glasses is made from TR90 material. TR material makes these computer glasses only half the weight of plastic glasses, and two times durable. And these blue light blocking glasses are also constructed with reinforced metal hinges to ensure durability and avoid breaking. Transparent Lens - multi-layer blue filter coating is much more effective than other non-coated glasses. This filters out almost all of the blue light while letting you see clearly and precisely. Great for close work when you want to see details. Filters out annoying glare for better safety when driving. Great for walks and enjoying the outdoors. Night Vision (Yellow Lens): you can also wear the yellow lenses to anti-glare when you are Driving at Night. Delivery Time: 10-14 business days, it may vary due to the situation of COVID-19.