protanomalyn.
/ˌprəʊtəˈnɒməli/, U.S. /ˌproʊdəˈnɑməli/ Ophthalmology.
A form of defective colour vision in which perception of light at the red end of the spectrum is reduced, resulting in a form of anomalous trichromatism that requires an excess of red in colour matching; partial protanopia. Cf. deuteranomaly n.
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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
1932 S. Duke-Elder Text-bk. Ophthalmol. I. xxv. 975 There may be a relative failure in the appreciation of red or of green, the cases being respectively called partial protanopia (protanomaly or ‘green-sightedness’) and partial deuteranopia (deuteranomaly or ‘red-sightedness’).
1946 W. D. Wright Res. Normal & Defective Colour Vision xxiv. 297 Anomalous trichromatism is subdivided into three corresponding groups—protanomaly, deuteranomaly and tritanomaly.
1973 Vision Res. 13 2033 The condition of anomalous trichromacy thus includes the categories of simple and extreme protanomaly and simple and extreme deuteranomaly.
1997 Ann. Assoc. Amer. Geographers 87 414/2 Anomalous color-vision impairments (deuteranomaly and protanomaly) produce milder handicaps and affect 6–7 percent of males.
This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).
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n.1932