单词 | protanopia |
释义 | protanopian. Ophthalmology. A form of colour blindness characterized by a lack of, or greatly reduced perception of, light at the red end of the spectrum, resulting in inability to distinguish between red, orange, green, and certain other colours, and occurring chiefly in men as a sex-linked inherited trait. Also called red-blindness. Cf. deuteranopia n. at deuteranope n. Derivatives. ΘΚΠ the world > health and disease > ill health > a disease > disorders of eye > disordered vision > [noun] > colour blindness Daltonism1841 xanthopsia1842 colour blindness1844 chromatopsia1848 achromatopsia1849 chromatometablepsy1849 chromatopseudopsy1849 acritochromacy1855 dichromatism1859 blue-blindness1868 green-blindness1868 red-blindness1868 chromatopsy1879 red vision1880 dyschromatopsia1890 xanthocyanopy1890 xanthocyanopsy1891 dichromacy1892 monochromatism1893 violet-blindness1894 monochromacy1900 deuteranopia1901 protanopia1902 tritanopia1915 deuteranomaly1932 protanomaly1932 tritanomaly1943 1902 J. M. Baldwin Dict. Philos. & Psychol. II. 371/1 In..the so-called red-blindness, the red end of the spectrum is shortened, and the maximum brightness is further towards the green (protanopia). 1923 L. C. Martin Colour x. 146 In complete protanopia or deuteranopia we have the spectrum consisting (broadly speaking) of two parts of differing hue separated by a grey or white. 1950 Jrnl. Optical Soc. Amer. 40 46/2 If the scores at either + 5 or − 5 are incorrect the subject has complete red-green color deficiency, i.e. either protanopia or deuteranopia. 1974 Ophthalmic Res. 6 281 Colour discrimination as tested with the Ishihara plates and Nagel anomaloscope..was typical for protanopia. 2002 New Scientist 19 Jan. 55/3 Their electric blue-tinted windscreen..will reduce the driver's ability to see red traffic lights and brake lights, by inducing a similar colour vision defect to that known as protanopia. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < |
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