Select independently determines what we cover and recommend. When you buy through our links, we may earn a commission. Learn more. If you’ve stumbled into red light therapy videos on social media, you ...

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.

Blue light is a specific kind of light with a short wavelength. This type of light is emitted from your computer screen, your mobile device, your flat-screen television, and many other devices that ...