Photophobia is not a fear but a sensitivity to light. Light sensitivity can be caused by eye conditions, brain issues, and certain medications. Seeing bright spots, headaches, and squinting are common ...

Imagine if a simple beam of light could one day treat conditions like nearsightedness or age-related macular degeneration (AMD). Researchers at the University of Nevada, Reno School of Medicine (UNR ...

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 ...

The E! Insider Shop editors and writers search the internet to find the best products out there. We interview expert sources, comb through customer reviews, and use our own personal experiences to ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

You bought blue light glasses to save your eyes from screen strain, but somehow they’re making everything worse. Your eyes feel tired, your head hurts, and the world looks like it’s been dunked in ...

A type of light-sensitive cell in one of the visual systems of fruit flies transmits two chemical messengers, histamine and acetylcholine, in response to the same light signal. These two molecules act ...