˜yÐÄvlog

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presbyopia

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

noun

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


presbyopia

/ ˌprɛzbɪˈəʊpɪə; ˌprɛzbɪˈɒpɪk /

noun

  1. a progressively diminishing ability of the eye to focus, noticeable from middle to old age, caused by loss of elasticity of the crystalline lens
“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
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Derived Forms

  • presbyopic, adjective
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Other ˜yÐÄvlog Forms

  • ±è°ù±ð²õ·²ú²â·´Ç±è·¾±³¦ [prez-bee-, op, -ik, pres-], adjective
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˜yÐÄvlog History and Origins

Origin of presbyopia1

1785–95; < Greek presby- (combining form of ±è°ùé²õ²ú²â²õ old, old man) + -opia
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˜yÐÄvlog History and Origins

Origin of presbyopia1

C18: New Latin, from Greek presbus old man + űè²õ eye
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Example Sentences

Examples have not been reviewed.

A normal part of aging, presbyopia occurs when the eye becomes increasingly rigid, making it harder to focus on nearby objects.

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Uncorrected presbyopia, not surprisingly, makes it harder for breadwinners to support their families.

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In addition to studying techniques to help treat cataracts, the researchers are applying their methods to study other major eye conditions, including presbyopia and myopia.

From

Eye doctors can help advise you about the many options for presbyopia.

From

After the age of 40, many people start developing presbyopia, a medical term rooted in the Greek phrase for old eyes.

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