Exactly how rare is central heterochromia?

I know about it an all, but I was just wondering if sectoral heterochromia is rarer than full heterochromia, and on a scale from say 1-10 how rare is it overall? And also out of curiosity, do people with any type heterochromia have more chance of needing...

Since i was a kid my eyes would seem to change color from day to day. One day Green, then Blue, then brown. It seemed to relate to the shirt i was wearing. Now as i have gotten a little older, it is a greenish grey on the perimeter, then it is a brownish...

Hi, my eye's are mostly green/gray with tints of blue and spoltches of brown on top of both eyes. I think my eyes would be called sectoral heterochromia, but I'm not positive. If they are, how rare is this? Will this effect me in some way? I really don...

I have central heterochromia, the colour around my iris is a really warm almost orangey brown and the colour on the outside of my eye is a grayish blue with a bit of green. Even ...show more

http://i.imgur.com/okromyo.jpg I have heard people tell me I have hazel eyes, green eyes, grey eyes, and recently I heard central heterochromia. I really cannot tell what color they ...show more

Just curious if I have central heterochromia or hazel eyes. Right eye: http://i.imgur.com/gUYJuhb.jpg Left eye: http://i.imgur.com/tbCqvp4.jpg Thanks

Just curious if I have central heterochromia or hazel eyes. Right eye: http://i.imgur.com/gUYJuhb.jpg Left eye: http://i.imgur.com/tbCqvp4.jpg Thanks

what exactly is it?