Definition of presbyopia in English:


Line breaks: pres¦by|opia
Pronunciation: /ˌprɛzbɪˈəʊpɪə


[mass noun]
  • Long-sightedness caused by loss of elasticity of the lens of the eye, occurring typically in middle and old age.
    More example sentences
    • A number of changes occur in the eye as you grow older, but most experts agree that a hardening of your lens causes presbyopia.
    • The theory is that presbyopia occurs because the lens becomes too large, not too hard but too large.
    • This is another option for people with presbyopia, in which you use a lens with the reading prescription in one eye and a lens with the distance prescription in the other eye.



Pronunciation: /-ˈɒpɪk/
More example sentences
  • If you had good, uncorrected vision before becoming presbyopic, you may be able to use nonprescription, over-the-counter reading glasses.
  • Those who are farsighted and prematurely presbyopic may indeed be candidates for this procedure but not most aviators.
  • I spend way too much time online, reading most of my news on a computer where my presbyopic vision is aided by bright contrast and the ability to make fonts larger.


late 18th century: modern Latin, from Greek presbus 'old man' + ōps, ōp- 'eye'.

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