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A member asked:
How come our iris colored, other than it looks beautiful what's the point of it?
A doctor has provided 1 answer
Enjoyment: Although the iris performs an important visual function, the colors do not appear to have a known physiological function. So it is best to think of them as part of the enjoyment of the variety of human appearances. Note also the variety of iris colors in the animal kingdom, also without known function.
Answered 5/5/2014
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