Colour vision deficiency and Congenital anomaly

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

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

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

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