tritanopia


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Related to tritanopia: deuteranopia, tritanomaly

tri·tan·o·pi·a

 (trī′tə-nō′pē-ə)
n.
A visual defect characterized by the inability to discern blue and yellow.

[Greek tritos, third; see trei- in Indo-European roots + Greek anōpiā, blindness (an-, not; see a-1 + -ōpiā, -opia), so called because blue is considered the third of the primary colors.]

tritanopia

(ˌtraɪtəˈnəʊpɪə; ˌtrɪt-)
n
(Pathology) a form of colour blindness in which there is a tendency to confuse blues and greens and in which sensitivity to blue is reduced
[C19/20: from New Latin, from Greek tritos third + New Latin anopia blindness; signifying that only two thirds of the spectrum can be distinguished]
tritanopic adj

tritanopia

a defect of the eyesight in which the retina does not respond to blue and yellow. — tritanope, n. — tritanopic, adj.
See also: Eyes
a defect of the eyesight in which the retina does not respond to blue and yellow. — tritanope, n. — tritanopic, adj.
See also: Color
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tritanopia - rare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellowtritanopia - rare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellow
yellow-blue color blindness, yellow-blue dichromacy - confusion of yellow and blue
References in periodicals archive ?
Added Modes for Colour-blind Titan Pilots - three colour-blind options including protanopia, deuteranopia and tritanopia that affects IFF glows, crosshair colours and names above heads.
She also reported that efforts to produce a purple E-ZPass signal light have not been as successful, due to difficulty in obtaining a true purple light and because of small-field tritanopia, a phenomenon that results in a loss of sensitivity to blue light when the signal appears very small.
The test makes it possible to diagnose almost all the anomalies of colour vision like deuteronopia, protonopia, tritanopia, etc.