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amaurosis

[am-aw-roh-sis]
noun
  1. partial or total loss of sight, especially in the absence of a gross lesion or injury.
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Origin of amaurosis

1650–60; < Greek: darkening, hindrance to sight, equivalent to amaur(ós) dim, dark + -ōsis -osis
Related formsam·au·rot·ic [am-aw-rot-ik] /ˌæm ɔˈrɒt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for amaurosis

Historical Examples

  • Cataract may be simple, or complicated with amaurosis, adhesions, etc.

    Special Report on Diseases of Cattle

    U.S. Department of Agriculture

  • Am′blyopy, dullness or obscurity of eyesight without any apparent defect in the organs; the first stage of amaurosis.

  • In amaurosis the pupil is dilated to its full extent; the eye looks clear, but does not respond to light.

    Special Report on Diseases of the Horse

    United States Department of Agriculture

  • Amaurosis is a paralysis of the nerves of the eye: it is sometimes cured, but then gradually, and not instantaneously.

  • If there are still some who cannot see that I am right, then let them, without delay, be operated upon for amaurosis.


British Dictionary definitions for amaurosis

amaurosis

noun
  1. pathol blindness, esp when occurring without observable damage to the eye
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Derived Formsamaurotic (ˌæmɔːˈrɒtɪk), adjective

Word Origin

C17: via New Latin from Greek: darkening, from amauroun to dim, darken
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

amaurosis in Medicine

amaurosis

(ăm′ô-rōsĭs)
n.
  1. Blindness, especially without apparent change in the eye, as from a cortical lesion.
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Related formsam′au•rotic (-rŏtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.