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

Derived Forms

• tritanopic, adjective

Other Words From

• trit·an·op·ic [trahyt-n-op-ik], adjective

Word History and Origins

Origin of tritanopia¹

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

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

Example Sentences

Tritanopia is rare - blue is confused with green and yellow with violet.

From BBC