The idea of large pupils being attractive isn’t new. During the Renaissance in Italy, women used eye drops made from a poisonous plant called Atropa belladonna (belladonna means “beautiful woman” in ...

Normally, a person's pupils naturally widen (or dilate) in low-light environments to allow more light into the eye. However, in a new study, researchers reported that a person's pupils also dilate ...

Close up on dilated pupil. (Courtesy of Big Stock Image) This story is from The Pulse, a weekly health and science podcast. Find it on Apple Podcasts, Spotify or wherever you get your podcasts. The ...

The affected side's pupil is usually dilated and reacts slowly to light. Adie's pupil is more common in women. Horner's Syndrome. This is a disorder of the nerves of half the face and eye.

The study team found that people were more attracted to animals with dilated pupils and bright irises. Cognition and Emotion Folks involved in the study rated primates with brighter irises as ...

While dilated pupils are less common, there are plenty of other explanations for them. Maybe they just came from the optometrist, where they had their eyes dilated.

Then came a curious discovery in the 1970s: people’s pupils also dilated when they recognized something they’d seen before. This phenomenon, called the “ pupil old/new effect,” has since ...

But when the pupils dilated, the brain switched gears and began replaying older, already-stored memories. This alternating pattern prevented interference between new and old information.

It’s fast and efficient and more comfortable for patients than a dilated retinal exam with a slit lamp and binocular indirect ophthalmoscope. Furthermore, multiple pictures taken at different ...