crossed eye vs convergent strabismus

crossed eye and convergent strabismus both are nouns.

Word	Noun	Adjective	Verb	Adverb
crossed eye	Yes	No	No	No
convergent strabismus	Yes	No	No	No

As nouns, crossed eye and convergent strabismus are synonyms defined as:

crossed eye and convergent strabismus: strabismus in which one or both eyes turn inward toward the nose

Other synonyms of crossed eye include cross-eye, esotropia.

crossed eye (noun)	convergent strabismus (noun)
strabismus in which one or both eyes turn inward toward the nose	strabismus in which one or both eyes turn inward toward the nose