People with heterochromia have a striking and unique appearance. Are you among them? “Heterochromia is when a person’s irises are different colors,” explains Sidney Gicheru, MD, the medical director ...

The mom tells PEOPLE she believes her daughter has chimerism, a rare condition in which a single individual possesses at least two distinct sets of DNA Ashlee Black's daughter was born with "different ...

There are a lot of different colored eyes out there and, sort of like a snowflake, no two eyes are exactly the same. In fact, even if you have the same color eyes as your family or friends, there ...