Why is one eye blue and the other brown?
Heterochromia is when a person has differently colored eyes or eyes that have more than one color. Most of the time, it doesn’t cause any problems. It’s often just a quirk caused by genes passed down from your parents or by something that happened when your eyes were forming.
What causes 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.
How rare is central heterochromia in the world?
How rare is central heterochromia? Complete 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.
Can you be born with heterochromia?
What causes heterochromia? There are several ways people can have two different colored eyes. People can be born with heterochromia, or it can result from disease or injury. It’s pretty rare for people to inherit mismatched eyes from their parents.
Do I have GREY eyes?
According to the Eye Doctors of Washington website, gray eyes, unlike blue eyes, often have flecks of gold and brown in them. If you look closely, you may even see gray eyes changing color. Depending on what a person is wearing and what color light they are in, a person’s gray eyes may appear gray, blue, or even green.
Is heterochromia pretty?
Heterochromia can be quite cool. Either it makes no difference, or it’s attractive, depending on the person.
Do people have GREY eyes?
Less than 1 percent of people have gray eyes. Gray eyes are very rare. Gray eyes are most common in Northern and Eastern Europe. Scientists think gray eyes have even less melanin than blue eyes.
How common is 2 different colored eyes?
Heterochromia is fairly uncommon, occurring in less than 1 percent of the population. It can be caused by several factors and present itself in different ways. What causes Heterochromia? The color of our eyes comes from the appearance of the pigment that is present in the iris, the central part of the eye.
Is GREY the rarest eye color?
Unusual eye colours Grey eyes are amongst the rarest eye colours and while many associate grey eyes with being blue, they are not quite the same despite them both having low levels of melanin. Pink and pale red eyes are also incredibly unusual eye colours and occur in people who have albinism.
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