JavaScript seems to be disabled in your browser. You must have JavaScript enabled in your browser to utilize the functionality of this website. Today is different coloured eyes day. Heterochromia is the name for when someone has a difference of colour in each of their irises. This can be more subtle or it can be quite prominent.
Heterochromia can be either present from birth congenital or acquired. The eyes are incredibly complex organs. In this article, we explain their anatomy, how they work, and describe some conditions that affect the eyes.
Why are my eyes different colors? Medically reviewed by Alana Biggers, M. What determines eye color? Share on Pinterest Central heterochromia refers to a combination of colors in one eye, and occurs due to uneven distribution of melanin.
Share on Pinterest Diabetes can lead to acquired heterochromia. Types of eye heterochromia. Identifying heterochromia. Share on Pinterest An optical test can rule out any underlying causes for heterochromia. Notable people with central heterochromia. Exposure to air pollutants may amplify risk for depression in healthy individuals. Costs associated with obesity may account for 3. Related Coverage. Can the eyes really turn purple? Medically reviewed by Timothy J. Are there standard computer screens for children?
How can you improve depth perception with one eye? Find an Ophthalmologist. Advanced Search. Ask an Ophthalmologist. Browse Answers. Free Newsletter Get ophthalmologist-reviewed tips and information about eye health and preserving your vision. Also of Interest. A: Not usually, but it depends on the cause. Congenital heterochromia is harmless and does not reflect an underlying illness. However, acquired heterochromia may be caused by certain glaucoma eye drops, eye injury or disease, and it can reveal a problem.
If you notice a rapid change in your eye color, see an eye doctor. A: Heterochromia is more common in females than in males based on a study performed several decades ago in Austria. A: An eye with central heterochromia has one distinct color around the pupil and a different color around the outer edge of the iris.
Hazel eyes are a mixture of different colors throughout the entire surface of the iris. For example, central heterochromia looks more like a target with multiple rings of color and hazel looks more like confetti.
Read more of our Heterochromia FAQs.
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