Color vision deficiency and Congenital defect

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

Congenital defect and color vision deficiency are semantically related. In some cases you can use "Congenital defect" instead a noun phrase "Color vision deficiency".

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

Color vision deficiency and congenital defect are semantically related. Sometimes you can replace phrase "Color vision deficiency" with "Congenital defect", this phrases are similar.