More blue light gets back out and the eyes appear to be blue. For people with green or hazel eyes , one or both of the layers ...

Discover how the genetics behind your eye color connects to various health conditions, from melanoma risk to pain ...

Brown melanin is the only pigment that exists in the eye; there is no pigment for hazel or green – or blue. eyes only appear ...

It seems a little unfair. The ladies love blue eyes, and babies already have a cuteness advantage. The iris is the muscular ring around the pupil. And its color depends on a protein called melanin ...