presbyopia: Meaning and Definition of

pres•by•o•pi•a

Pronunciation: (prez"bē-ō'pē-u, pres"-), [key]
— n. Ophthalm.
  1. farsightedness due to ciliary muscle weakness and loss of elasticity in the crystalline lens.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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