nearsightedness
noun /ˌnɪəˈsaɪtɪdnəs/
/ˌnɪrˈsaɪtɪdnəs/
(especially North American English) (also short sight, short-sightedness (both especially British English))
[uncountable]- the ability to see things clearly only if they are very close to you opposite far-sightedness (2)