presbyopia
[ prez-bee-oh-pee-uh, pres- ]
/ ˌprɛz biˈoʊ pi ə, ˌprɛs- /
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noun Ophthalmology.
farsightedness due to ciliary muscle weakness and loss of elasticity in the crystalline lens.
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Origin of presbyopia
OTHER WORDS FROM presbyopia
pres·by·op·ic [prez-bee-op-ik, pres-], /ˌprɛz biˈɒp ɪk, ˌprɛs-/, adjectiveWords nearby presbyopia
presbyatrics, presbycusia, presbycusis, presbyo-, presbyope, presbyopia, Presbyt., presbyter, presbyterate, presbyterial, presbyterian
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for presbyopia
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
a progressively diminishing ability of the eye to focus, noticeable from middle to old age, caused by loss of elasticity of the crystalline lens
Derived forms of presbyopia
presbyopic (ˌprɛzbɪˈɒpɪk), adjectiveWord Origin for presbyopia
C18: New Latin, from Greek presbus old man + ōps eye
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
Medical definitions for presbyopia
presbyopia
[ prĕz′bē-ō′pē-ə ]
n.
Inability of the eye to focus sharply on nearby objects, resulting from loss of elasticity of the crystalline lens with advancing age.
Other words from presbyopia
pres′by•op′ic (-ŏp′ĭk, -ō′pĭk) adj.The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.