scotopic vision vs visual sense

scotopic vision and visual sense both are nouns.

Word	Noun	Adjective	Verb	Adverb
scotopic vision	Yes	No	No	No
visual sense	Yes	No	No	No

As nouns, visual sense is a hypernym of scotopic vision; that is, visual sense is a word with a broader meaning than scotopic vision:

scotopic vision: the ability to see in reduced illumination (as in moonlight)
visual sense: the ability to see; the visual faculty

Other hypernyms of scotopic vision include sight, vision, visual modality.

scotopic vision (noun)	visual sense (noun)
the ability to see in reduced illumination (as in moonlight)	the ability to see; the visual faculty