Definition of tritanopia in English:

tritanopia

noun ˌtrɪtəˈnəʊpɪəˌtrītnˈōpēə

mass noun

A rare form of colour blindness resulting from insensitivity to blue light, causing confusion of greens and blues.
Compare with protanopia
Example sentencesExamples
- A useful tool for reviewing information about color-blindness and checking legibility of images for color-blind users is Vischeck, an on-line tool that simulates the way an image or a website might appear to a user who has deuteranopia, protanopia, or tritanopia.
- With tritanopia, the person is deficient in blue and yellow perception, although he is still sensitive to red and green.
- Sometimes tritanopia occurs due to disease, because the short wavelength cone is more fragile than the other cone types.
- Only about 0.005% of the population (male and female) are totally colour blind, and 0.003% have tritanopia, or blue-blindness.
- Protanopia, deuteranopia and tritanopia are all types of dichromatism.

Origin

Early 20th century: from trito- 'third' (referring to blue as the third colour in the spectrum) + an-¹ 'without' + -opia.

Definition of tritanopia in US English:

tritanopia

nounˌtrītnˈōpēə

A rare form of color-blindness resulting from insensitivity to blue light, causing confusion of greens and blues.
Compare with protanopia
Example sentencesExamples
- Protanopia, deuteranopia and tritanopia are all types of dichromatism.
- Only about 0.005% of the population (male and female) are totally colour blind, and 0.003% have tritanopia, or blue-blindness.
- With tritanopia, the person is deficient in blue and yellow perception, although he is still sensitive to red and green.
- Sometimes tritanopia occurs due to disease, because the short wavelength cone is more fragile than the other cone types.
- A useful tool for reviewing information about color-blindness and checking legibility of images for color-blind users is Vischeck, an on-line tool that simulates the way an image or a website might appear to a user who has deuteranopia, protanopia, or tritanopia.

Origin

Early 20th century: from trito- ‘third’ (referring to blue as the third colour in the spectrum) + an- ‘without’ + -opia.

单词	tritanopia
释义	Definition of tritanopia in English: tritanopia noun ˌtrɪtəˈnəʊpɪəˌtrītnˈōpēə mass noun A rare form of colour blindness resulting from insensitivity to blue light, causing confusion of greens and blues. Compare with protanopia Example sentencesExamples A useful tool for reviewing information about color-blindness and checking legibility of images for color-blind users is Vischeck, an on-line tool that simulates the way an image or a website might appear to a user who has deuteranopia, protanopia, or tritanopia. With tritanopia, the person is deficient in blue and yellow perception, although he is still sensitive to red and green. Sometimes tritanopia occurs due to disease, because the short wavelength cone is more fragile than the other cone types. Only about 0.005% of the population (male and female) are totally colour blind, and 0.003% have tritanopia, or blue-blindness. Protanopia, deuteranopia and tritanopia are all types of dichromatism. Origin Early 20th century: from trito- 'third' (referring to blue as the third colour in the spectrum) + an-¹ 'without' + -opia. Definition of tritanopia in US English: tritanopia nounˌtrītnˈōpēə A rare form of color-blindness resulting from insensitivity to blue light, causing confusion of greens and blues. Compare with protanopia Example sentencesExamples Protanopia, deuteranopia and tritanopia are all types of dichromatism. Only about 0.005% of the population (male and female) are totally colour blind, and 0.003% have tritanopia, or blue-blindness. With tritanopia, the person is deficient in blue and yellow perception, although he is still sensitive to red and green. Sometimes tritanopia occurs due to disease, because the short wavelength cone is more fragile than the other cone types. A useful tool for reviewing information about color-blindness and checking legibility of images for color-blind users is Vischeck, an on-line tool that simulates the way an image or a website might appear to a user who has deuteranopia, protanopia, or tritanopia. Origin Early 20th century: from trito- ‘third’ (referring to blue as the third colour in the spectrum) + an- ‘without’ + -opia.
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