Full heterochromia is definitely rare — fewer than 200,000 Americans have the condition, according to the National Institutes of Health. That’s only about six out of every 10,000 people. It’s not currently known how rare central heterochromia is, but we do know that it’s not as rare as full heterochromia.
How rare is conspicuous heterochromia?
Only about 11 in 1,000 Americans have heterochromia, a condition that results in two different colored eyes. This trait is common in animals and relatively rare in humans, and in many cases in humans the condition is barely noticeable.
What percentage of the world has heterochromia?
heterochromia. If you have heterochromia, part or all of the iris is a different color than the other. This condition occurs in less than 1% of people, but is common in dogs.
How common is complete heterochromia in humans?
In rare cases, it can be a symptom of a medical condition. Heterochromia is common in some animals but rare in humans. It affects fewer than 200,000 people in the United States.
What is the rarest heterochromic color?
Green is the rarest of the most common eye colors. With a few exceptions, almost everyone has eyes that are brown, blue, green, or somewhere in between.
How rare is total heterochromia?
Full heterochromia is definitely rare — fewer than 200,000 Americans have the condition, according to the National Institutes of Health. That’s only about six out of every 10,000 people. It’s not currently known how rare central heterochromia is, but we do know that it’s not as rare as full heterochromia.
What is the rarest heterochromic color?
Green is the rarest of the most common eye colors. With a few exceptions, almost everyone has eyes that are brown, blue, green, or somewhere in between.
Is it possible to have random heterochromia?
Central heterochromia often occurs sporadically at birth. It can occur in a person with no family history of heterochromia. In most cases, it is a mild condition that is not caused by an eye condition and does not affect vision. It therefore does not require any kind of treatment or diagnosis.
Is heterochromia the rarest eye color?
Perhaps the rarest eye color is not one color at all, but multicolored eyes. This condition is called heterochromia iridis. A person can be born with this condition, it can develop in infancy, or it can develop as a symptom of a systemic disease or after an eye injury.
What percentage of the world population suffers from heterochromia?
Heterochromia is fairly rare, occurring in less than 1% of the population. It can be caused by multiple factors and can appear in different ways.
What is the rarest eye color in the world?
Green is the rarest of the most common eye colors. With a few exceptions, almost everyone has eyes that are brown, blue, green, or somewhere in between. Other colors such as gray or hazelnut are rarer.
Is heterochromia bad?
Causes. In most cases, heterochromia is benign and not the result of a disease or condition and does not affect vision. An infant can be born with heterochromia or develop it in the first few months after birth when the iris reaches its full amount of melanin.