long-sightedness
noun🔊/ˌlɒŋ ˈsaɪtɪdnəs/
🔊/ˌlɔːŋ ˈsaɪtɪdnəs/
(also long sight)
(both British English) North American English far-sightedness
[uncountable]the condition of being unable to see things clearly when they are close to you opposite short sight (1)