It can blocks almost all the blue light from the computer, smartphone.
The yellow lens will make the color distortion, if the colors are important to you, pls don't wear the glasses during working.
It will enhance the yellow red right, you can't wear it under sunshine.
It can't be used for night driving, as it blocks too much light, the transmission is not meet the requirement for night driving.
What's the blue light?
How the blue light hurt our eyes?