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

More from the Human Body Facts niche...

Human Body Facts

Most of the time you only breathe through one nostril at a time, and the

Human Body Facts

You breathe in approximately ten thousand litres of air every single day

Human Body Facts

The space between your eyebrows is called the Glabella

Human Body Facts

Your eyes start to develop just two weeks after conception

Human Body Facts

You blink about 12 times every minute

Human Body Facts

Women are better at smelling than men