presbyopia

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pres·by·o·pi·a

 (prĕz′bē-ō′pē-ə, prĕs′-)
n.
Inability of the eye to focus sharply on nearby objects, resulting from loss of elasticity of the crystalline lens with advancing age.

[New Latin : Greek presbus, old man; see per in Indo-European roots + -opia.]

pres′by·op′ic (-ŏp′ĭk, -ō′pĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

presbyopia

(ˌprɛzbɪˈəʊpɪə) or

presbyopy

n
(Pathology) a progressively diminishing ability of the eye to focus, noticeable from middle to old age, caused by loss of elasticity of the crystalline lens
[C18: New Latin, from Greek presbus old man + ōps eye]
presbyopic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pres•by•o•pi•a

(ˌprɛz biˈoʊ pi ə, ˌprɛs-)

n.
farsightedness due to ciliary muscle weakness and loss of elasticity in the crystalline lens, usu. associated with aging.
[1785–95; < Greek presby- (comb. form of présbys old, old man) + -opia]
pres`by•op′ic (-ˈɒp ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.presbyopia - a reduced ability to focus on near objects caused by loss of elasticity of the crystalline lens after age 45
hypermetropia, hypermetropy, hyperopia, longsightedness, farsightedness - abnormal condition in which vision for distant objects is better than for near objects
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

presbyopia

n presbicia, vista cansada (fam)
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.