Imagine seeing someone with odd-colored eyes: blue on one side, brown on the other. Mesmerizing, isn't it? This phenomenon has a name: heterochromia. If you've ever heard of this particularity or have ...

What do actor Kate Bosworth, comedian Dan Aykroyd, and dancer Michael Flatley all have in common? Heterochromia, which describes when a person has two differently-coloured eyes, or eyes that contain ...

Some people are born with two colors in the same eye, or central heterochromia, due to a genetic mutation affecting melanin production. Others can develop it due to an injury or health condition.