BJohan Ltd

Whether facing a PC computer, Ipad, smart phone, TV screen, game console & digital products, this blue filter can reduce eye fatigue, glare and improve sleep, thereby protecting the eyes.
Best eyewear for anti blue light Bjohn

Are u working long hours on computer

Exposure to high-speed blue light will affect our circadian rhythm and affect our eyesight, thereby affecting the quality of sleep. Wearing a blue filter can improve and help you sleep better.

Prolonged exposure to blue light can cause digital eye fatigue. Put on Bjohn glasses, no longer tired eyes. Reduce eye strain and sensitivity to light when facing digital screens. Great for office workers or anyone who needs to watch the screen all day long

Up coming new arrival for anti blue light soon