a condition of the eyes in which vision is normal in daylight but abnormally poor at night or in a dim light; nyctalopia.
Typewriters Were Originally Created To Help The BlindOnce regarded as an indispensable device for any writer, the typewriter has long been regarded for both its beauty and functionality. But they were actually first invented to help the blind.
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. 2019
British Dictionary definitions for night-blind
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
Medicine definitions for night-blind (1 of 2)
[ nīt′blīnd′ ]
Affected with nyctalopia.
Medicine definitions for night-blind (2 of 2)
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.