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tritanopia

[ trahyt-n-oh-pee-uh ]

noun

, Ophthalmology.
  1. a defect of vision in which the retina fails to respond to blue and yellow.

tritanopia

/ ˌtrɪt-; ˌtrɪt-; ˌtraɪtəˈnəʊpɪə; ˌtraɪtəˈnɒpɪk /

noun

  1. a form of colour blindness in which there is a tendency to confuse blues and greens and in which sensitivity to blue is reduced
“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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Derived Forms

  • tritanopic, adjective
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Other Words From

  • trit·an·op·ic [trahyt-n-op-ik], adjective
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Word History and Origins

Origin of tritanopia1

< New Latin, equivalent to trit- (< Greek trítos third ) + an- an- 1 + -opia -opia
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Word History and Origins

Origin of tritanopia1

C19/20: from New Latin, from Greek tritos third + New Latin anopia blindness; signifying that only two thirds of the spectrum can be distinguished

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