presbyopia Hear it!

presbyopia definition

pres·byo·pia (prez′bē ō′pē ə, pres′-)

noun

a form of farsightedness occurring after middle age, caused by a diminished elasticity of the crystalline lens

Etymology: ModL < Gr presbys, old (see priest) + ōps, eye

Related Forms:

  • presbyope pres′·by·ope′ (-ōp′) noun
  • presbyopic pres′·by·op′ic (-äp′ik) adjective

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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