stereoscopic vision vs stereoscopy

stereoscopic vision and stereoscopy both are nouns.

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

As nouns, stereoscopic vision and stereoscopy are synonyms defined as:

stereoscopic vision and stereoscopy: three-dimensional vision produced by the fusion of two slightly different views of a scene on each retina

stereoscopic vision (noun)	stereoscopy (noun)
three-dimensional vision produced by the fusion of two slightly different views of a scene on each retina	three-dimensional vision produced by the fusion of two slightly different views of a scene on each retina