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.

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 ...

A new study suggests that blue light such as from phone screens may not be as disruptive to sleep as previously thought. The study looked at how people reacted to different types of light. They found ...

Prolonged exposure to blue light from digital screens can cause eye fatigue—and worse, disrupt natural sleeping patterns. This is where special-coated blue light-blocking glasses can help. As remote ...

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 ...

Many of us spend hours every day on our phones and computers, which can lead to vision problems and eye discomfort. To prevent this, you’ve likely heard of people using blue-light glasses, which are ...

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 ...

Have you ever woken up to bright morning skies feeling energized? A big reason for your mood is the high-intensity blue light coming from the sun. Among the visible light spectrum, blue wavelengths ...

Current relationship status: in a domestic partnership with my iPad, laptop, and iPhone. After shifting all areas of my life to digital (virtual happy hours, endless IGTV workouts), my screen time has ...