Feast your eyes on the iris. Sure, being blessed with a choice eye color is cool. But new research reveals that the eye’s pupil size and iris brightness are the real moneymakers. “Brighter irises and ...

The claim: An image shows a rare eye condition called 'pupula duplex' A striking image online is catching the eyes of social media users. "The Pupula duplex is a medical oddity that is characterized ...

The colored part of the eye surrounding the pupil is called the iris. It automatically regulates the amount of light entering the eyes by regulating the size of the pupil. Light is the primary ...

A study has found that people appear more attractive when their pupils are constricted, making their coloured irises seem bigger and brighter. New research by Zachary Estes, Professor of Marketing at ...

Q: My elderly cat’s pupils seem to stay dilated, even in bright light. Why? A: In old cats, dilated pupils are often just a sign of a harmless condition called iris atrophy. However, if your cat has ...

Medically reviewed by Andrew Greenberg, MD Key Takeaways Pupils naturally dilate in low light to allow more light into the ...

The iris is a structure behind the transparent cornea of the eye. It has a circular opening called the pupil that changes size in response to the light level. Your pupils are usually the same size as ...

Small pupils not only can lead to increased surgical times and difficulty in removing the cataract but also are associated with a higher complication rate, including posterior capsular rupture. Every ...