visual disorder vs disability

visual disorder and disability both are nouns.

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

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

visual disorder: impairment of the sense of sight
disability: the condition of being unable to perform as a consequence of physical or mental unfitness

Other hypernyms of visual disorder include disablement, handicap, impairment.

visual disorder (noun)	disability (noun)
impairment of the sense of sight	the condition of being unable to perform as a consequence of physical or mental unfitness