Heterochromia in People: The Beauty of Multi-Colored Eyes
One of the many fascinating variations that exist among humans (and other animals) is heterochromia iridis, or heterochromia iridum – terms used to describe different colored eyes in the same person. Caused by an excess or lack of melanin, heterochromia can occur as a result of genetics, disease or injury. Yet, whatever its underlying cause, heterochromia is almost always eye-catching!
