These eyes have it. Beauty is in the big iris of the beholder, according to a new study exploring how the eyes affect ...

What makes your pupils stay open, or dilated? WebMD explains the causes, and what to do if you have dilated pupils.

Can the size of your pupils affect how attractive you are? According to a new study published in Cognition, it just might.

While lust is driven by a strong physical desire, attraction and attachment encompass a strong emotional relationship or ...

WebMD offers an eye-opening look at your pupils and what they can tell you.

The pupils of our eyes get larger when we are focusing on a task–and the size may give clues about our working memory capabilities, a new study has found. A person's pupils dilate in low-light ...

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 ...

The white glow often seen in the eyes in photographs taken with a flash is known as leukocoria. It appears as a white, opaque, or yellowish spot in the pupil of the eye.

Mom helps save daughter's vision by noticing cloudiness in her eyes while breastfeeding Brandee Artale's close attention to her daughter's eyes caught a rare condition.

A white pupil — usually the black center of the colored part of the eye — is the symptom doctors most frequently see. Other symptoms involve crooked eyes (strabismus), eye redness and pain ...

Eye-opener: Pupils enlarge when people focus on tasks by Katherine Egan Bennett, University of Texas at Arlington The progression of the 2-back task.