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.

Do you ever think about what staring at screens does to our eyes all day? Harvard Health Publishing investigated blue light and its effects on our sleep and health. Our eyes are continually taking in ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? At the simplest level, different colors of light have different wavelengths.

Blue light filter study reveals mixed results: Do glasses and screen protectors truly combat eye strain tech? Experts weigh in on the evidence. Pixabay, Innovalabs Concerns about blue light from ...