Definition of protanopia in English:

protanopia

noun ˌprəʊtəˈnəʊpɪəˌprōdəˈnōpēə

mass noun

Colour blindness resulting from insensitivity to red light, causing confusion of greens, reds, and yellows. It is hereditary, and is the commonest form of colour blindness.
Also called daltonism
Compare with deuteranopia, tritanopia
Example sentencesExamples
- The genetic cause has been determined for several color vision defects, achromatopsia (the loss of all color vision), blue monochromatism, protanopia, deuteranopia, and enhanced S-cone syndrome.
- Someone pointed out to us yesterday that the current things colour scheme is far from ideal if you suffer from protanopia, deutanopia or tritanopia - colour blindness.

Origin

Early 20th century: from proto- 'original' (red being regarded as the first component of colour vision) + an-¹ 'lacking' + -opia.

Definition of protanopia in US English:

protanopia

nounˌprōdəˈnōpēə

Color-blindness resulting from insensitivity to red light, causing confusion of greens, reds, and yellows. It is hereditary and is the most common form of color-blindness.
Compare with deuteranopia, tritanopia
Also called daltonism
Example sentencesExamples
- Someone pointed out to us yesterday that the current things colour scheme is far from ideal if you suffer from protanopia, deutanopia or tritanopia - colour blindness.
- The genetic cause has been determined for several color vision defects, achromatopsia (the loss of all color vision), blue monochromatism, protanopia, deuteranopia, and enhanced S-cone syndrome.

Origin

Early 20th century: from proto- ‘original’ (red being regarded as the first component of colour vision) + an- ‘lacking’ + -opia.

单词	protanopia
释义	Definition of protanopia in English: protanopia noun ˌprəʊtəˈnəʊpɪəˌprōdəˈnōpēə mass noun Colour blindness resulting from insensitivity to red light, causing confusion of greens, reds, and yellows. It is hereditary, and is the commonest form of colour blindness. Also called daltonism Compare with deuteranopia, tritanopia Example sentencesExamples The genetic cause has been determined for several color vision defects, achromatopsia (the loss of all color vision), blue monochromatism, protanopia, deuteranopia, and enhanced S-cone syndrome. Someone pointed out to us yesterday that the current things colour scheme is far from ideal if you suffer from protanopia, deutanopia or tritanopia - colour blindness. Origin Early 20th century: from proto- 'original' (red being regarded as the first component of colour vision) + an-¹ 'lacking' + -opia. Definition of protanopia in US English: protanopia nounˌprōdəˈnōpēə Color-blindness resulting from insensitivity to red light, causing confusion of greens, reds, and yellows. It is hereditary and is the most common form of color-blindness. Compare with deuteranopia, tritanopia Also called daltonism Example sentencesExamples Someone pointed out to us yesterday that the current things colour scheme is far from ideal if you suffer from protanopia, deutanopia or tritanopia - colour blindness. The genetic cause has been determined for several color vision defects, achromatopsia (the loss of all color vision), blue monochromatism, protanopia, deuteranopia, and enhanced S-cone syndrome. Origin Early 20th century: from proto- ‘original’ (red being regarded as the first component of colour vision) + an- ‘lacking’ + -opia.
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