Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.
Add Yahoo as a preferred source to see more of our stories on Google. The screen reports don’t lie. Many of us are spending an inordinate amount of time on our screens and (gulp) it’s starting to show ...