Thu
Feb 8 2007
01:30 pm
Word of the Day: Heterochromia Iridium
By: Les Jones

yona_0005.jpg

Heterochromia iridium is a difference in eye color, with causes ranging from genetics to disease to injury.

Heterochromia generally refers to two eyes of different color, but there are variations. Altered areas of coloration within one eye is secular heterochromia. An individual's eyes can become darker (hyperchromia) or lighter (hypochromia).

Some famous people with heterochromia include Alexander the Great and actors Dan Akroyd, Christopher Walken, and Kate Bosworth, who has both heterochromia and secular heterochromia. David Bowie has one eye with an enlarged pupil due to a fistfight as a schoolboy, though it's arguable whether or not that constitutes heterochromia, which usually affects the iris.

Heterochromia is fairly common in dogs. It's particularly common in certain breeds, such as dalmations, border collies, and huskies.

More info:
- Ask Uncle Cecil on heterochromia
- Google image search for "heterochromia"

Previous WOTD - Shoot Me First Vest

Topics:
Tess's picture

Aussies, too

Submitted by Tess on Thu, 2007/02/08 - 1:37pm.

Don't forget the beautiful eyes of the Australian Shepherd.

(link...)

Les Jones's picture

Cool

Submitted by Les Jones on Thu, 2007/02/08 - 2:00pm.

The "geometric splits" are amazing. The eyes look like mirror images of each other.

www.lesjones.com

mpower1952's picture

My son was born with blue eyes

Submitted by mpower1952 on Thu, 2007/02/08 - 2:26pm.

I thought they would change to brown by the time he was two. My husband and I both have brown eyes.

However, his eyes started changing, or I should say his left eye started changing from the bottom to brown and stopped half way up. His right eye never changed.

I think it looks great and when people notice they always stop and ask if his eyes really are two colors. How prevalent is it in people?

Be a blessing to someone today.

JaHu's picture

This has nothing to do with

Submitted by JaHu on Thu, 2007/02/08 - 10:48pm.

This has nothing to do with eye color or dogs, but, did Genghis Khan really have two pupils on each eye?

Adrift in the Sea of Humility

cafkia's picture

family trait

Submitted by cafkia on Fri, 2007/02/09 - 12:25am.

My Dad had one bright blue eye and one brown eye. My older brother has blue eyes. I and one of my sisters and one of my nieces have brown eyes with blue wedges.

Thanx. It's kewl to know what it is all called.

CAFKIA

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It is impossible to defeat an ignorant man in argument.
  - William G. McAdoo

mpower1952's picture

Just wanted you to know

Submitted by mpower1952 on Fri, 2007/02/09 - 11:41am.

I love that McAdoo quote.

Be a blessing to someone today.

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