Happy Different Colored Eyes Day

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Your calendar is filled with all manner of appointments and deadlines. Why not jot down a few lighthearted celebrations? For instance,  today is the observance of National Different Colored Eyes Day.

July 12th provides us with an opportunity to appreciate how the seemingly simple question, “What color are your eyes?” becomes a bit more of a complicated answer for folks with a condition called heterochromia iridum aka different colored eyes.

Occurring for a variety of reasons ranging from simple heredity to sustaining an eye injury, heterochromia signifies an excess, or lack of, melanin (pigment).

(As a side note, if you do notice any change in your eye color, to be on the safe side, pull out that calendar again, and work in an appointment with your eye doctor.)

While only 1% of the world’s population is affected by heterochromia we have all met, gone to school with, or worked with, someone who has this usually benign condition. Famous folks noted for their talent, as well as their two-toned irises, include Dan Aykroyd, Kiefer Sutherland, Kate Bosworth, and Jonathan Rhys Meyers.

The animal kingdom offers up some of the most stunning examples of this eye-appealing condition, some of which are jaguars, owls, monkeys, wolves, horses, cats, and dogs. Oh, my!

National Different Colored Eyes Day possesses a distinct coolness factor as seen by pop culture featuring a number of strong, heterochromatic characters in video games, film, television, and literature.

Two diversely colored eyes make for a strikingly beautiful countenance; one, you might say, many people would give their eyeteeth to have.

This is a guest post written by VSP Employee Diane D.


  • Hello, many don’t know (I didn’t) that your eye color can change – all on its own. My eye color is blue, w/blonde hair while serving stationed in Germany, I was mistaken for a local until I attempted to speak Deutsche! After many years being disabled, during an eye exam, my eye color had changed to “Grey”, and within a year later, they went back to being Blue again! Strange stuff my friends! Be safe, take care, “GOD Bless”, sincerely Randy.

  • GAIL HEAD says:

    my daughter’s eye color changes when she gets mad. what causes this?

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