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 (prĕz′bē-ō′pē-ə, prĕs′-)
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.


(ˌprɛzbɪˈəʊpɪə) or


(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


(ˌprɛz biˈoʊ pi ə, ˌprɛs-)

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.


n presbicia, vista cansada (fam)
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
Distributed in the UK by Positive Impact, the contact lens is CE-approved for presbyopia and myopia management.
Increase in prevalence of vision related disorder such as myopia, astigmatism and hyperopia, advent of new technology for LASIK treatment, increase in preference for minimally invasive treatment by patients and eye surgeons, and high incidence of age related presbyopia, are the major drivers of the global personalized LASIK surgery market.
While basic, monofocal IOLs are most commonly used for cataract surgery, advanced technology IOLs (AT-IOLs), including those that correct presbyopia, are improving patient outcomes and fulfilling patients' desire for independence from spectacles.
This guide contains 16 chapters on techniques for the surgical correction of presbyopia. Eye specialists from the US, Asia, and Israel address corneal solutions, including laser treatments and corneal inlays; lenticular solutions, including intraocular lenses; and scleral solutions, such as scleral implants and ablation.
Together with the support of independent eye care professionals, SynergEyes seeks to innovate and offer products and services to help transform vision for patients with astigmatism, presbyopia and irregular cornea conditions.
"The most advanced soft contact lens design in the history of Bausch + Lomb, this monthly silicone hydrogel lens builds upon the success of Bausch + Lomb ULTRA for Presbyopia and Bausch + Lomb ULTRA for Astigmatism lenses," the company stated.
Usually, these changes in vision start occurring after age 40, when your eye's lenses lose some ability to focus, a condition known as presbyopia. As you continue through your 50s, presbyopia can progress, requiring more frequent changes in your eyeglass or contact lens prescription.
If you've found yourself holding the menu at arm's distance, increasing your phone's font size to read text messages, or taking more frequent breaks from the computer screen during the work day, you might be among millions of people with presbyopia. Now, you may say presby-what?
Presbyopia is an eye condition that afflicts people from age 40 up.
In layman's terms, the technology allows laser writing onto contact lenses, or directly onto the cornea, which can changes the way light interacts with the eyeessentially a prescription directly written onto the eye that effectively reverses conditions such as myopia, presbyopia and astigmatism.
He was diagnosed with presbyopia (the natural loss of near vision due to age) and with early signs of cataracts (clouding of the lens leading to a decrease in vision) in both eyes.