presbyopic

presbyopia

[prez-bee-oh-pee-uh, pres-]
noun Ophthalmology.
farsightedness due to ciliary muscle weakness and loss of elasticity in the crystalline lens.

Origin:
1785–95; < Greek presby- (combining form of présbys old, old man) + -opia

presbyopic [prez-bee-op-ik, pres-] , adjective
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World English Dictionary
presbyopia (ˌprɛzbɪˈəʊpɪə)
 
n
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

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American Heritage
Medical Dictionary

presbyopia pres·by·o·pi·a (prěz'bē-ō'pē-ə, prěs'-)
n.
Inability of the eye to focus sharply on nearby objects, resulting from loss of elasticity of the crystalline lens with advancing age.


pres'by·op'ic (-ŏp'ĭk, -ō'pĭk) adj.
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