Heterochromia: Causes, Types, Risk Factors, and Treatment - WebMD
Oct 26, 2023 · Green eyes are the rarest. Only about 2% of people in the world have green eyes. The color comes from both melanin and the way light scatters when it hits the eye. People born with albinism often...
Heterochromia (Different-Colored Eyes): Causes and Types - All About Vision
Nov 2, 2021 · Heterochromia is when someone has more than one eye color. In many cases, this means each eye is a different color. For example, one eye is brown and the other eye is green. It can also mean there are at least two different colors in parts of one eye or both eyes.
Central Heterochromia (2 Eye Colors): Causes & Treatments
Sep 24, 2024 · Central heterochromia is when one eye contains multiple pigments. It can cause a color abnormality that stems from the pupil at the center of the eyes, like cat eyes. An uneven distribution of melanin in your iris can cause this condition. The …
Heterochromia: Causes & Types - Cleveland Clinic
Jun 28, 2023 · Heterochromia is when your eyes are different colors. Each eye may be a different color, or there may be color variations within the same eye. It’s often due to a harmless genetic mutation.
What Is Heterochromia and Why Do Some People Have Different Colored Eyes?
Mar 22, 2023 · Two major genes – HERC2 and OCA2 – are important in determining whether you will have brown, blue, hazel, amber, or green eyes. Sometimes, defects in these genes can produce heterochromia.
Central Heterochromia: Definition and Causes - All About Vision
Sep 8, 2020 · 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. This trait usually involves both eyes, with two separate colors appearing in each eye instead of one.
Central Heterochromia: Definition, Causes, and Types - Healthline
Jul 1, 2024 · Complete heterochromia: People with complete heterochromia have eyes that are completely different colors. For example, one eye may be green, and the other may be brown, blue, or another color....
Heterochromia - American Academy of Ophthalmology
Apr 17, 2024 · Heterochromia is when a person’s irises are different colors. There are a few kinds of heterochromia. Complete heterochromia is when one iris is a different color than the other. When part of one iris is a different color than the rest of it, this is called partial heterochromia.
Central heterochromia (two different eye colors): Causes and types
Jun 23, 2023 · Central heterochromia refers to a combination of colors in one eye, and occurs due to uneven distribution of melanin. Eye color is a result of melanin deposits in the iris, which is the...
Heterochromia iridum - Wikipedia
Heterochromia of the eye is called heterochromia iridum or heterochromia iridis. It can be complete, sectoral, or central. In complete heterochromia, one iris is a different color from the other. In sectoral heterochromia, part of one iris is a different color from its remainder.