stereoscopy vs binocular vision

stereoscopy and binocular vision both are nouns.

Word	Noun	Adjective	Verb	Adverb
stereoscopy	Yes	No	No	No
binocular vision	Yes	No	No	No

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

stereoscopy: three-dimensional vision produced by the fusion of two slightly different views of a scene on each retina
binocular vision: vision involving the use of both eyes

stereoscopy (noun)	binocular vision (noun)
three-dimensional vision produced by the fusion of two slightly different views of a scene on each retina	vision involving the use of both eyes