amaurosis vs visual disorder

amaurosis and visual disorder both are nouns.

Word	Noun	Adjective	Verb	Adverb
amaurosis	Yes	No	No	No
visual disorder	Yes	No	No	No

As nouns, visual disorder is a hypernym of amaurosis; that is, visual disorder is a word with a broader meaning than amaurosis:

amaurosis: partial or total loss of sight without pathology of the eye; caused by disease of optic nerve or retina or brain
visual disorder: impairment of the sense of sight

Other hypernyms of amaurosis include vision defect, visual defect, visual impairment.

amaurosis (noun)	visual disorder (noun)
partial or total loss of sight without pathology of the eye; caused by disease of optic nerve or retina or brain	impairment of the sense of sight