visual disorder vs disablement

visual disorder and disablement both are nouns.

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

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

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

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

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