Medical Dictionary

achromatopsia

noun achro·ma·top·sia \ˌā-ˌkrō-mə-ˈtäp-sē-ə\

Medical Definition of ACHROMATOPSIA

:  a visual defect marked by total color blindness in which the colors of the spectrum are seen as tones of white-gray-black

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July 01, 2015
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not certain, secure, or steady
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