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 ...

Blue light is a high-energy light that the eyes absorb from computers, smartphones, LED lights, and fluorescent lights. The sun is the biggest source of blue light. On a sunny day, it's 100,000 times ...

Staring at an electronic device for hours each day is something many of us do. Whether it’s work-related computer use, social scrolling on your smartphone, or streaming your favorite show on a tablet ...