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Presbyopia   Listen
noun
Presbyopia  n.  (Med.) A defect of vision consequent upon advancing age. It is due to rigidity of the crystalline lens, which produces difficulty of accommodation and recession of the near point of vision, so that objects very near the eyes can not be seen distinctly without the use of convex glasses. Called also presbytia.





Collaborative International Dictionary of English 0.48


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"Presbyopia" Quotes from Famous Books



... vision.] Dimsightedness. [Fallacies of vision.] — N. dim sight, dull sight half sight, short sight, near sight, long sight, double sight, astigmatic sight, failing sight; dimsightedness &c.; purblindness, lippitude[obs3]; myopia, presbyopia[obs3]; confusion of vision; astigmatism; color blindness, chromato-pseudo-blepsis[obs3], Daltonism; nyctalopia[obs3]; strabismus, strabism[obs3], squint; blearedness[obs3], day blindness, hemeralopia[obs3], nystagmus; xanthocyanopia[obs3], xanthopsia[Med]; cast in the eye, swivel ...
— Roget's Thesaurus


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