What causes heterochromia two 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 does heterochromia work genetically?

Eye surgery, swelling of the eye, and even diabetes have all been linked to heterochromia. So in general, heterochromia usually occurs because something went wrong with the pigment-producing cells in our eyes. While it can be genetic, it is most often caused by injury or disease.

What is the rarest type of heterochromia?

Complete heterochromia is definitely rare — fewer than 200,000 Americans have the condition, according to the National Institutes of Health. With central heterochromia, each ring of color is distinct within the iris. READ MORE: What is the rarest eye color?

What are the 3 types of heterochromia?

The three categories are complete, segmental, and central heterochromia. Complete heterochromia, also called heterochromia iridum, occurs when the two irises are different colors. Segmental heterochromia, also called heterochromia iridis, occurs when a patch of a different color appears in one iris.

Is heterochromia Iridum a mutation?

The most common cause of heterochromia is a genetic mutation that results in an individual born with two differently colored eyes. This mutation is not usually harmful and, as mentioned, usually does not influence the quality of vision.

How does heterochromia affect the eyesight?

Central heterochromia may be a rare condition, but it’s typically benign. In most cases, it doesn’t affect vision or cause any health complications. However, when central heterochromia occurs later in life, it may be a sign of an underlying condition.

What causes heterochromia 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. The condition is also known as heterochromia iridis or heterochromia iridum.

How many people in the world have heterochromia?

Answer Wiki. Around 6 in every 1000 people have heterochromia. If the world population as of now is around 7,497,311,000 (Approx) Do the math, and you should end up with a grand total of 42 million people who have heterochromia.

Can you develop heterochromia?

People who weren’t born with heterochromia might still develop it, as it can also be caused by trauma (due to injury or surgery) or disease (such as diabetes, eye tumors, or glaucoma). Acquired heterochromia might look as interesting as congenital heterochromia, but it often indicates the eye is damaged or unhealthy.