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 day blindness
First recorded in 1825–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for day blindness
a nontechnical name for hemeralopia
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 day blindness
[ dā ]
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.