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

Medically reviewed by Andrew Greenberg, MD Eye color genetics is complex, with multiple genes from each parent determining a ...

Hazel and amber eyes, which are also uncommon (about 5 to 10% of the world's population), complete this fascinating color palette, although less rare than gray or green. Gray eyes, with their ...