Definition of deuteranopia
: color blindness marked by usually complete loss of ability to distinguish colors
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Recent Examples of deuteranopia from the Web
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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.
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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).
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The most common type of colour blindness, for example, is deuteranopia.
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.
Origin and Etymology of deuteranopia
New Latin, from deuter- + 2a- + -opia; from the blindness to green, regarded as the second primary color
NEW! Time Traveler
First Known Use: circa 1901
in the meaning defined above
See Words from the same yearMedical Dictionary
Learn More about deuteranopia
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Britannica.com: Encyclopedia article about deuteranopia
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