Why we don't have red,orange,pink,yellow eyes?!
Question:
Why we don't have red,orange,pink,yellow eyes?
Answers:
The iris is comprised of smooth thin pigmented muscle which how much light enters the eye. This pigment in the iris is what determines eye color. The absence of pigment, such as in albinos, produces a pink eye color. For a full discussion of eye color, the whys and hows, go to http://en.wikipedia.org/wiki/eye_color...