Colour blindness and Congenital anomaly

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

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

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

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