twilight vision vs scotopic vision

twilight vision and scotopic vision both are nouns.

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

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

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

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

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