Heterochromia is a variation in iris pigmentation that causes the eyes to have different colors (odd eyes), either between the two eyes or within the same iris. This phenomenon is due to an uneven ...

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

The mutation was found on an entirely different gene called HERC2 ... but scientists do know that eye color began to change long before recorded history began. The following is a transcript ...

Having red eyes can become a bothersome issue that can result from various underlying causes including allergies, dry eyes, or exhaustion. Though there are abundant home remedies that could help ...

The owner assures that Joseph's heterochromia — the rare occurrence of unmatched eye colors — doesn't inhibit the kitty. "The cat still has sharp sight though, he just looks different," he said.

Color blindness is a condition where people find it difficult to distinguish between certain colors. This color blindness test is a simple eye test to find out whether or not you are color blind.