Provide 100% UV400 protection blue light blocking. Blue light penetrates your eye all the way to the retina, blue-light blocking lens can mitigate damage that will cause problems later in life, can effectively block ultraviolet radiation and filter harmful blue light from entering your eyes.
Digital screen can emit bright blue light that cause eye strain even dizziness, using TIMELESS blue light glasses lenses will reduce eye strain. If you work daily on the computer for prevention of insomnia and macular degeneration, please choose TIMLESS anti blue glasses, don't let cheap and inferior glasses hurt your eyes.