hyperopia vs longsightedness

hyperopia and longsightedness both are nouns.

Word	Noun	Adjective	Verb	Adverb
hyperopia	Yes	No	No	No
longsightedness	Yes	No	No	No

As nouns, hyperopia and longsightedness are synonyms defined as:

hyperopia and longsightedness: abnormal condition in which vision for distant objects is better than for near objects

Other synonyms of hyperopia include farsightedness, hypermetropia, hypermetropy.

hyperopia (noun)	longsightedness (noun)
abnormal condition in which vision for distant objects is better than for near objects	abnormal condition in which vision for distant objects is better than for near objects