Congenital abnormality and Color vision deficiency

Congenital abnormality noun - A defect that is present at birth.

Color vision deficiency and congenital abnormality are semantically related. In some cases you can replace phrase "Color vision deficiency" with "Congenital abnormality", this phrases are similar.

Color vision deficiency noun - Genetic inability to distinguish differences in hue.

Congenital abnormality and color vision deficiency are semantically related. You can use "Congenital abnormality" instead a noun phrase "Color vision deficiency".