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

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 ...

B rown and hazel eyes get their color from melanin, the same pigment that colors your skin. The more melanin in the eye, the darker your eye color will appear. But blue eyes don't have any blue ...