• synonyms


noun Ophthalmology.
  1. dimness of sight, without apparent organic defect.
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Origin of amblyopia

1700–10; < New Latin < Greek amblyōpía, equivalent to amblý(s) dull + -ōpiā -opia
Related formsam·bly·op·ic [am-blee-op-ik] /ˌæm bliˈɒp ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for amblyopia

Historical Examples

  • Leber has recently joined those cases which are described as blindness through blepharospasm, to amblyopia from disuse.

    Schweigger on Squint

    C. Schweigger

  • After this digression let us turn again to amblyopia from disuse, and to the last trump which is played for it.

  • The occurrence of amblyopia as a result of non-use has been deductively constructed and is not inductively proved by observation.

  • There is thus caused a symmetrical weakening of vision (amblyopia) in the opposite fields.

  • They are often preceded by strabismus, with or without ptosis; the strabismus, is usually accompanied by amblyopia.

British Dictionary definitions for amblyopia


  1. impaired vision with no discernible damage to the eye or optic nerve
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Derived Formsamblyopic (ˌæmblɪˈɒpɪk), adjective

Word Origin

C18: New Latin, from Greek ambluōpia, from amblus dull, dim + ōps eye
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

Word Origin and History for amblyopia


1706, "weakening of the eyesight," medical Latin, from Greek amblyopia "dim-sightedness," noun of action from amblys "dulled, blunt" + ops "eye" (see eye (n.)). Related: Amblyopic.

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Online Etymology Dictionary, © 2010 Douglas Harper

amblyopia in Medicine


  1. Dimness of vision, especially when occurring in one eye without apparent physical defect or disease.lazy eye
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Related formsam′bly•opic (pĭk, -ŏpĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.