Many people use their electronic devices, including phones, tablets, and computers, for extended periods. Companies now sell screen protectors that reportedly block blue light and benefit eye health.

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 light. On a sunny day, it's 100,000 times ...

Headaches and migraine attacks can be debilitating, and for many who experience them, bright screens only make the pain worse. Now that digital devices are a constant part of our lives, blue light ...

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 ...

Cowritten by Charlie Huntington and Tchiki Davis. Blue light is light of a certain wavelength that can be emitted or reflected by a variety of materials and surfaces (Okuno et al., 2002). By its ...