Heterochromia refers to a condition where eyes are two different colours.

More from the Human Body Facts niche...

Human Body Facts

That bit between your nose and upper lip is called your philtrum. But

Human Body Facts

You have about the same number of hairs on your body as a chimpanzee

Human Body Facts

Research has found that a tie tied too tightly can increase the risk of

Human Body Facts

Only 1/6 of the human eyeball is exposed

Human Body Facts

The human eye only sees three colours: red, blue and green. All other

Human Body Facts

Your eyes can detect a candle flame 1.7 miles away