Dictionary    Maps    Thesaurus    Translate    Advanced >   


Tip: Click Thesaurus above for synonyms. Also, follow synonym links within the dictionary to find definitions from other sources.
1. The Collaborative International Dictionary of English v.0.48
Presbyopia \Pres`by*o"pi*a\[NL., from Gr. ? old, n., an old man
   + ?, ?, the eye.] (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.
   [1913 Webster]
2. The Collaborative International Dictionary of English v.0.48
Presbytia \Pres*byt"i*a\, n. [NL. See Presbyte.] (Med.)
   Presbyopia.
   [1913 Webster]
Common Misspellings >
Most Popular Searches: Define Misanthrope, Define Pulchritudinous, Define Happy, Define Veracity, Define Cornucopia, Define Almuerzo, Define Atresic, Define URL, Definitions Of Words, Definition Of Get Up, Definition Of Quid Pro Quo, Definition Of Irreconcilable Differences, Definition Of Word, Synonyms of Repetitive, Synonym Dictionary, Synonym Antonyms. See our main index and map index for more details.

©2011-2024 ZebraWords.com - Define Yourself - The Search for Meanings and Meaning Means I Mean. All content subject to terms and conditions as set out here. Contact Us, peruse our Privacy Policy