Hysi’s observation isn’t exactly far-fetched either.
Other eye colors includeblue, hazel, and green.
And then there are those who have two different colored eyes.

But just how common is it?
In fact, it’s said to affect less than 1% of people, according toEssilor.
In the U.S., the prevalence is reportedly less than 200,000 people (viaHealth Jade).

The former is called congenital heterochromia and the latter is known as acquired heterochromia.
Heterochromia typically presents in three different ways; complete, central, and sectoral heterochromia.
Complete heterochromia, the rarer kind, is when a person has two different iris colors.

Is having different colored eyes harmful?
If you wish to stand out with a rare feature, then you might embrace it as well.