Blue light usually comes from the sun but also from digital screens and LED lights. Some experts believe artificial sources may be causing eye damage in humans, but animal studies are inconclusive.

Blue-light-blocking glasses reduce how much blue light from electronic devices reaches your eyes. But it’s unclear how beneficial this actually is. You’re probably doing it right now — looking at a ...

Our product picks are editor-tested, expert-approved. We may earn a commission through links on our site. Why Trust Us? “Light, particularly the blue wavelength of light, is one of the strongest ...