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 has acquired a dubious reputation in recent years, frequently blamed for everything from disrupted sleep patterns to digital eye strain. This high-energy light, emitted abundantly by our ...

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.

We’re staring at our devices more than ever, and besides eating up our time, they’re giving off tons of light. Blue light has gotten an especially bad rap, but that’s not quite fair: It’s just one ...

Blue light is all around you. These high-energy light waves emanate from the sun, stream through earth’s atmosphere, and interact with light sensors in your skin and eyes. Increasingly, people are ...

What is blue light? “All the light we see is made up of different wavelengths of light,” says Vivienne Sinh Hau, MD, an ophthalmologist at Kaiser Permanente in Riverside, California. “Certain ...

Share on Pinterest Researchers say that blue light may not significantly affect a person’s circadian rhythms. AleksandarNakic/Getty Images Blue light from the sun is vital in regulating a person’s ...

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 ...

If you're dealing with eye strain from computer or phone use, blue-light glasses may help. So could shutting down devices a half-hour before bed. Nasha is a Managing Editor for CNET, overseeing our ...

While a healthy amount of natural blue light helps you feel alert and awake, too much exposure from modern tech can cause eye fatigue and disrupt natural sleeping patterns—which is where blue ...

It's no news that spending long hours in front of a screen can have some serious effects on our health, from dry eye and headaches to messed up circadian rhythm and digital eye strain. Turns out, ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Kaitlyn Wells and Zoe Vanderweide If you believe the hype, blue-light blocking ...