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.

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

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.
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
Translations

presbyopia

n presbicia, vista cansada (fam)
References in periodicals archive ?
In the near future we intend to complete the design and clinical trials of carbosilfocon-based lenses designed for the correction of prespyopia.