deuteranopia

noun deu·ter·an·opia \ ˌdü-tə-rə-ˈnō-pē-ə also ˌdyü- \

Definition of deuteranopia

: color blindness marked by usually complete loss of ability to distinguish colors

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deuteranopic

play \-ˈnō-pik, -ˈnä-pik\ adjective

Recent Examples of deuteranopia from the Web

Red-green color blindness is broadly organized into four types, protanomaly, protanopia, deuteranomaly, and deuteranopia, all of which have to do with how the cones in the eye function.

— fernando alfonso iii, Houston Chronicle, "What it's like to be red-green color blind during the holidays," 19 Dec. 2017
One of these is for players with normal vision; the other three cater to those with protanopia, deuteranopia and tritanopia (which correspond to people’s difficulties sensing red, green and blue light respectively).

— The Economist, "Sure plays a mean pinballGames for people with disabilities," 30 Sep. 2017
The most common type of colour blindness, for example, is deuteranopia.

— The Economist, "Sure plays a mean pinballGames for people with disabilities," 30 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deuteranopia.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.