Achromatic vision and Visual sense

Achromatic vision noun - Vision using the rods.

Visual sense and achromatic vision are semantically related. In some cases you can use "Visual sense" instead a noun phrase "Achromatic vision".

Visual sense noun - The ability to see; the visual faculty.

Achromatic vision and visual sense are semantically related. Sometimes you can replace phrase "Achromatic vision" with "Visual sense", this phrases are similar.