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.

In our increasingly digital world, we’re surrounded by blue light sources from the moment we wake up until we finally put down our phones at night. This high-energy light radiates from our smartphones ...

You may know them by the acronym ROY G BIV. Together, they make the white light you see when the sun -- the main source of blue light-- is shining. Fluorescent and LED (light-emitting diode) light ...

Blue light therapy uses light to treat certain conditions on or just under the skin. It’s considered a pain-free procedure. Blue light therapy becomes photodynamic therapy when it uses a combination ...

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 ...

Despite their popularity, blue light-blocking glasses probably don’t do much to reduce eyestrain, help keep people alert or improve sleep, according to a meta-analysis looking at 17 studies published ...

Blue light is a shorter-wavelength colored light found in everything from traditional light bulbs to computer and smartphone screens. Blue light is good for your body during the day, but at night blue ...

Excessive blue light can cause accelerated aging in flies because this exposure can cause cellular damage, according to a study released Wednesday. Because the signaling chemicals in the cells of ...

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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 ...

Even if you know that looking at a phone, tablet, or computer screen at night is bad for your sleep, it’s hard to stop. That’s one reason there’s been a growing interest in glasses or apps that can ...