Medically reviewed by Andrew Greenberg, MD 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 ...

The eyes of Arctic reindeer change colour with the seasons, from gold in the summer to blue in the winter. The technique allows them to make the most of changing light levels in their extreme habitat.

but visible light is the only part of it human eyes can see. Blue light is known to interfere with your sleep cycle. Consider limiting screen time immediately before bed or adjusting your device ...

Symptoms include dry, irritated eyes and blurred vision. Blue light may also damage your retinas. That’s called phototoxicity. The amount of damage depends on wavelength and exposure time.

“Reindeer have just an amazing ... light-enhancing tissue in their eyes, known as tapetum lucidum. But in reindeer, the luminescence changes color from a golden color in the summer to blue ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

Ever since I tested and reviewed a pair from Caddis back in 2023, I've been totally on board with blue-light glasses. They make looking at the world much easier on my eyes without the aggressive ...