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 ...

Imagine seeing someone with odd-colored eyes: blue on one side, brown on the other. Mesmerizing, isn't it? This phenomenon has a name: heterochromia. If you've ever heard of this particularity or have ...

That scattering is called the Tyndall effect. It’s the same phenomenon that makes the sky or ocean look blue, even though the ...