What is the chance of someone having 2 different colored eyes?

Question

I absolutely love people with two different colored eyes.

What is the chance of having 2 different colored eyes?

thanks

Answer 1

I know they look soo cool. My sister has two different coloured eyes. Blue and brown, but the brown is only like half of one iris... its really coool. She hates it but I told her that its a vocal point, she's rare... lol

Answer 2

i dunno, but that would be cool

Answer 3

as a doctor i saw it once in my life

i think i read it somwhere it is 1 per 500 000 people

it is called heterochromia