scotopic vision vs night vision

scotopic vision and night vision both are nouns.

Word	Noun	Adjective	Verb	Adverb
scotopic vision	Yes	No	No	No
night vision	Yes	No	No	No

As nouns, scotopic vision and night vision are synonyms defined as:

scotopic vision and night vision: the ability to see in reduced illumination (as in moonlight)

Other synonyms of scotopic vision include night-sight, twilight vision.

scotopic vision (noun)	night vision (noun)
the ability to see in reduced illumination (as in moonlight)	the ability to see in reduced illumination (as in moonlight)