vision vs exteroception

vision and exteroception both are nouns.

Word	Noun	Adjective	Verb	Adverb
vision	Yes	No	No	No
exteroception	Yes	No	No	No

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

Other hypernyms of vision include modality, sense modality, sensory system.

vision (noun)	exteroception (noun)
the ability to see; the visual faculty	sensitivity to stimuli originating outside of the body
the perceptual experience of seeing
a vivid mental image
the formation of a mental image of something that is not perceived as real and is not present to the senses
a religious or mystical experience of a supernatural appearance