How rare is a black eye?

How rare is a black eye? This condition is seen in less than 1 percent of people, but it’s frequently seen in dogs. It can be the result of: heredity. problem during eye development.

This condition is seen in less than 1 percent of people, but it’s frequently seen in dogs. It can be the result of: heredity. problem during eye development.
See also  Which sport is best for boys?