Colour blindness and Congenital abnormality

Colour blindness noun - Genetic inability to distinguish differences in hue.

Congenital abnormality and colour blindness are semantically related. In some cases you can use "Congenital abnormality" instead a noun phrase "Colour blindness".

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

Colour blindness and congenital abnormality are semantically related. Sometimes you can replace phrase "Colour blindness" with "Congenital abnormality", this phrases are similar.