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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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更新时间:2024/12/23 14:17:15