twilight vision vs night vision

twilight vision and night vision both are nouns.

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

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

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

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

twilight 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)