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night blindness

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noun Ophthalmology.
  1. a condition of the eyes in which vision is normal in daylight but abnormally poor at night or in a dim light; nyctalopia.
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Origin of night blindness

First recorded in 1745–55
Related formsnight·blind, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for night blindness

Historical Examples

  • Synonymous with the Kufie.Nyctalopia, or night-blindness, 332.

    An Account of Timbuctoo and Housa Territories in the Interior of Africa

    Abd Salam Shabeeny

  • They emphasize the occurrence of night-blindness as an early and frequent symptom.

    Scurvy Past and Present

    Alfred Fabian Hess

  • He could mimic Albano's writing and voice; he knew of Linda's night-blindness.

British Dictionary definitions for night blindness

night blindness

noun
  1. pathol a nontechnical term for nyctalopia
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Derived Formsnightblind, adjective
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
night blindness in Medicine

night blindness

n.
  1. nyctalopia
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.