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presbyopia (n.)

"far-sightedness brought on by age," 1791, medical Latin, from Greek presbys "old man," also "elderly, aged" (see presby-) + -opia, from ōps "eye" (from PIE root *okw- "to see"). Related: Presbyopic.

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Definitions of presbyopia from WordNet

presbyopia (n.)
a reduced ability to focus on near objects caused by loss of elasticity of the crystalline lens after age 45;
Synonyms: farsightedness
From wordnet.princeton.edu