night blindness

noun Ophthalmology.

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

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 of night blindness

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.
The World's Greatest Books, Vol VII
Various

British Dictionary definitions for night blindness

night blindness

noun

pathol a nontechnical term for nyctalopia

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

nyctalopia