Imagine seeing someone with odd-colored eyes: blue on one side, brown on the other. Mesmerizing, isn't it? This phenomenon has a name: heterochromia. If you've ever heard of this particularity or have ...

Heterochromia is the term used to describe a difference in a person’s eye color. Heterochromia of the eye is caused by variations in the concentration and distribution of melanin, the pigment that ...

People with heterochromia have a striking and unique appearance. Are you among them? “Heterochromia is when a person’s irises are different colors,” explains Sidney Gicheru, MD, the medical director ...

Some people are born with two colors in the same eye, or central heterochromia, due to a genetic mutation affecting melanin production. Others can develop it due to an injury or health condition.

Wondering what it is about Kate Bosworth’s looks that are so riveting? It just might be her distinctive irises. Born with heterochromia, Bosworth has one blue eye and one eye with sectors of both ...