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 ...

Your tablet, smartphone, laptop, and flat screen TV all have one thing in common: They each give off blue light. You may know them by the acronym ROY G BIV. Together, they make the white light you see ...

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 ...

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.