Science Weird

Photos Showing The Beautiful Mutation That Is Heterochromia

How does someone get two differute colored eyes?

Heterochromia means “different (hetero-) colors (-chromia).” Usually the term is used to describe the condition where a person has different colored eyes — one blue eye and one green eye, for example.

Other terms to describe different colored eyes are heterochromia iridis and heterochromia iridum. “Iridis” and “iridum” refer to the iris of the eye. The iris is the thin, circular structure that surrounds the pupil and contains the pigment melanin, which gives our eyes their distinctive color.

The amount of melanin in the iris determines whether we have blue eyes, green eyes, hazel eyes  or brown eyes. Blue eyes have the least amount of melanin in the iris; brown eyes have the most.

Heterochromia usually is benign. In other words, it is not an eye desease, and it does not affect visual acuity.

Benign heterochromia can give a person a captivating, even exotic, appearance. In fact, a number of celebrities — including Dan Aykroyd, Kate Bosworth, Henry Cavill, Alice Eve, Josh Henderson, Mila Kunis, Jane Seymour and Christopher Walken — have heterochromia.

Heterochromia also occurs in animals. Breeds of dogs that commonly exhibit heterochromia include Siberian husky, Australian shepherd, border collie, collie, Shetland sheepdog, Welsh corgi, Great Dane, dachshund and Chihuahua. Such cat breeds include Turkish Van, Turkish angora, Japanese bobtail and sphynx. Often such “odd-eyed cats” have been bred specifically to have this feature.

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condition
There is one common type called -classic hererochromia, which you can observe in people who have eyes of separate colors.

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Partial heterochromia is a rather rare condition which happens when there are two distinct colors within one eye.

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Partial heterochromia in both eyes happens when the mutation effects both of the eyes. If you look at this dog, you will notice that her eyes are half blue in each iris.

iris
Basically it turns out that if the ring one color is surrounded by a completely different color, you have a partial heterochromia, which happens more often than other types.

partial-heterochromia
It has a captivating effect. Just have a look at this eye, two different colors are split equally right in the middle.

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It can occur both in human and animals.

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This girl became viral on internet once it was obvious that she and her cat share the same type of heterochromia. Even the color is the same.

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While it looks gorgeous, it gives quite a challenge for the make up, as you always have to match two different eye shadows.

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Women with such eyes are rarely met but you can look into their eyes for hours once you encounter them.

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This condition can be also caused by operation though.

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This mutation has no specific purpose, it just shows how genetics and mother nature have their own plan for each of us.

source: fantastic

Photos Showing The Beautiful Mutation That Is Heterochromia
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