Why Two Different Colored Eyes?

Heterochromia of the eye is caused by variations in the concentration and distribution of melanin, the pigment that gives color to the skin, hair, and eyes. The word “heterochromia” is derived from ancient Greek where “heteros” means different and “chroma” means color.

Why do I have two different colors in my eyes?

Some people have two different colored irises from a condition called heterochromia. This condition is often caused by injury or trauma to the eye. Rarely, it may be caused by a birth defect such as Waardenburg syndrome, Sturge-Weber syndrome, congenital Horner's syndrome, or Parry-Romberg syndrome.

Why do people have different colored eyes?

Eye color is determined by variations in a person's genes. Most of the genes associated with eye color are involved in the production, transport, or storage of a pigment called melanin. ... People with brown eyes have a large amount of melanin in the iris, while people with blue eyes have much less of this pigment.