presbyopia

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

/ ˌprɛz biˈoʊ pi ə, ˌprɛs- /

noun Ophthalmology.

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

Origin of presbyopia

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

presbyatrics, presbycusia, presbycusis, presbyo-, presbyope, presbyopia, Presbyt., presbyter, presbyterate, presbyterial, presbyterian

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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), adjective

Word 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.

单词	presbyopia
释义	presbyopia [ prez-bee-oh-pee-uh, pres- ] / ˌprɛz biˈoʊ pi ə, ˌprɛs- / noun Ophthalmology. farsightedness due to ciliary muscle weakness and loss of elasticity in the crystalline lens. Origin of presbyopia 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 presbyatrics, presbycusia, presbycusis, presbyo-, presbyope, presbyopia, Presbyt., presbyter, presbyterate, presbyterial, presbyterian Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 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), adjective Word 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.
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