The color of the human eye: A review of morphologic correlates and of some conditions that affect iridial pigmentation. Central heterochromia is an eye condition that is almost always harmless. This trait usually involves both eyes, with two separate colors appearing in each eye instead of one. The Archives of Ophthalmology, 122(7), 957-65 Central heterochromia is when the inner ring of the iris the eye color closest to your pupil is a different color than the outer ring, along the edge of your iris. A 5-year, multicenter, open-label, safety study of adjunctive latanoprost therapy for glaucoma. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. A person with differently colored eyes or eyes that are more than one color has heterochromia. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. Sectoral heterochromia often resembles an irregular spot on the iris of the eye and does not form a ring around the pupil. In people with sectoral heterochromia, also known as partial heterochromia, one part of the iris is a different color from the rest. For example, they may have one blue eye and one brown eye. People with this condition have two different-colored eyes. Eyes that have this pattern may be referred to as “cat eyes.” The outer color is considered to be the true iris color in people with central heterochromia.Ĭentral heterochromia tends to occur in irises that have low levels of melanin. The inner ring often seems to have “spikes” of different colors that radiate from the pupil or the black circle at the center of the iris. Usually, the outer ring of the iris is one color while the inner ring is another. The different types of heterochromia of the eye include: Central heterochromiaĬentral heterochromia is characterized by having two different colors in the same iris.
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