presbyopia

[ prez-bee-oh-pee-uh, pres- ]

nounOphthalmology.
  1. farsightedness due to ciliary muscle weakness and loss of elasticity in the crystalline lens.

Origin of presbyopia

1
1785–95; <Greek presby- (combining form of présbys old, old man) + -opia

Other words from presbyopia

  • pres·by·op·ic [prez-bee-op-ik, pres-], /ˌprɛz biˈɒp ɪk, ˌprɛs-/, adjective

Words Nearby presbyopia

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use presbyopia in a sentence

  • Still another defect of vision is known as presbyopia or farsightedness due to old age.

    The Science of Human Nature | William Henry Pyle
  • "Old sight," known as presbyopia, is a common defect of vision in advancing years.

    A Practical Physiology | Albert F. Blaisdell

British Dictionary definitions for presbyopia

presbyopia

/ (ˌprɛzbɪˈəʊpɪə) /


noun
  1. a progressively diminishing ability of the eye to focus, noticeable from middle to old age, caused by loss of elasticity of the crystalline lens

Origin of presbyopia

1
C18: New Latin, from Greek presbus old man + ōps eye

Derived forms of presbyopia

  • presbyopic (ˌprɛzbɪˈɒpɪk), adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012