Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Eyes need time to adjust to darkness, with pupils widening in seconds and cones adapting in minutes. Full night vision, reliant on rods and rhodopsin ...

Medically reviewed by Andrew Greenberg, MD Key Takeaways Photophobia is not a fear but a sensitivity to light.Light sensitivity can be caused by eye conditions, brain issues, and certain ...

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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." People say that the eyes are the windows to the soul. If you’re anything like me, then your windows are ...

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 ...

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 ...

A 5-year interim analysis of the PERCEIVE real-world study showed sustained improvement of light sensitivity in patients ...

Branded content. Us Weekly has affiliate partnerships so we may receive compensation for some links to products and services. The skin around the eyes is delicate, and that’s in part due to how thin ...

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 ...

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 ...