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noun Ophthalmology.
  1. lack or loss of the lens of the eye.
Also a·pha·cia [uh-fey-shuh, -shee-uh, -see-uh] /əˈfeɪ ʃə, -ʃi ə, -si ə/.

Origin of aphakia

1860–65; < New Latin, equivalent to a- a-6 + Greek phak(ós) lentil (for sense see lens) + -ia
Related formsa·pha·kic, a·pha·cic [uh-fey-sik] /əˈfeɪ sɪk/, a·pha·cial [uh-fey-shuh l] /əˈfeɪ ʃəl/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for aphakic


  1. absence of the lens of an eye, congenital or otherwise

Word Origin

from a- 1 + Greek phakos lentil + -ia
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

aphakic in Medicine


  1. Absence of the crystalline lens of the eye.
Related formsa•phaki•al null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.