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[doo-ter-uh-noh-pee-uh, dyoo-] /ˌdu tər əˈnoʊ pi ə, ˌdyu-/
noun, Ophthalmology.
a defect of vision in which the retina fails to respond to the color green.
Origin of deuteranopia
From New Latin, dating back to 1900-05; See origin at deuter-, anopia
Related forms
[doo-ter-uh-nop-ik, dyoo-] /ˌdu tər əˈnɒp ɪk, ˌdyu-/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for deuteranopia


a form of colour blindness in which there is a tendency to confuse blues and greens, and greens and reds, and in which sensitivity to green is reduced
Derived Forms
deuteranopic (ˌdjuːtərəˈnɒpɪk) adjective
Word Origin
C20: New Latin, from deutero- (referring to the theory in which green is the second primary colour) + an- + Greek -ops eye
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
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deuteranopia in Medicine

deuteranopia deu·ter·a·no·pi·a (dōō'tər-ə-nō'pē-ə, dyōō'-)
A form of colorblindness characterized by insensitivity to green.

deu'ter·a·nop'ic (-nŏp'ĭk, -nō'pĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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