How can a black person have blue eyes?

Complicated genetics. Typically, dark-skinned folks have dark colored eyes, light-skinned folks from europe have light colored (often blue) eyes. In america, there are many black people with a fair amount of european ancestry in their background. Depending on the amount of european ancestry a black person has, it is possible for some blue-eyed genes to emerge.
Iris pigmentation . Eye color is a result of pigmentation in the iris . Blue eyes means that there is less iris pigmentation than brown eyes . Blue eyes can be present in anyone regardless of their skin pigmentation . However it can also result from chronic iritis or iris trauma .

Related Questions

How can a black person end up with blue eyes?

Genes. Somebody in the immediate family or grandparents must have had blue eyes. Genetic transmission may miss a generation or two and thus people are amazed at things that they don't see in their parents. Read more...
Colored contact lens. We fit ciba freshlook colours soft contacts for this with good success. However, it is difficult to achieve "true blue' eyes. It "looks" artificial. A great choice is actually their grey or honey lenses. Creates a nice look. Read more...

2 african american parents. Moms grandfather was white with blue eyes. The baby turned out white with blue eyes statistically what odds was this?

Recessive trait. Blue eyes are a recessive trait. That means that a gene for blue eyes must be inherited from both mom and dad in order to get a baby with blue eyes. There is not enough information in your answer to give a statistical probability. Read more...