A new surgical procedure to permanently change eye color is gaining traction in the U.S. But many ophthalmologists fear ...

can make eyes appear brown, hazel, blue or green. The genetics of eye color are very complicated. You can't predict a child's ...

Eye color is a combination of pigments produced in the stroma. Brown eyes have more melanin than green or hazel eyes. Blue eyes have very little pigment. The mix of genes inherited from each ...