Medically reviewed by Christine L. Larsen, MD Key Takeaways Medications, trauma, and medical conditions can cause miosis or ...

ST. LOUIS — Google searches for "hurt eyes" spiked nationwide on the day of the total solar eclipse on April 8. NASA and doctors across the nation repeatedly warned the public about wearing necessary ...

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 ...

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 ...

Pupils, which are the dark dots in the center of your eyes. They shrink or widen to control how much light gets into your eye. During the test, your doctor will make sure your pupils are in the right ...

Researchers are investigating how eye-pupil size changes can indicate a person's cognitive state as a means to enable teaming with autonomous agents. A team of Army and academic researchers are ...

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 ...

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 team of Army and academic researchers are investigating how eye-pupil size changes can indicate a person's cognitive state as a means to enable teaming with autonomous agents. The future Army ...