protanopen.
/ˈprəʊtənəʊp/, U.S. /ˈproʊdəˌnoʊp/ Ophthalmology.
A person affected by protanopia.
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the world > health and disease > ill health > a disease > disorders of eye > disordered vision > [noun] > colour blindness > person
idiopt1833
Daltonian1841
dichromatic1842
colour-blind1855
colour-defective1878
Daltonist1879
dichromat1893
monochromat1893
deuteranope1902
protanope1908
deuteranomal1915
protanomal1915
tritanope1915
protan1944
deutan1948
achromatopsic1986
1902 J. M. Baldwin Dict. Philos. & Psychol. II. 787 The wave-length which corresponds to the colourless sensation, W, is different for the two sorts of colour-defectives, proteranopes and deuteranopes.]
1908 Psychol. Bull. 5 298 When red and blue are mixed to match blue-green the protanope requires a relative excess of red in his purple mixture.
1922 K. Dunlap Elem. Sci. Psychol. 76 The extreme visible red for the normal person is not visible at all, even as yellow, for the protanope.
1953 Jrnl. Physiol. 121 565 The protanopes confuse red with green and are characterized by a very low sensitivity to light of long wave-lengths.
1995 Daily Tel. 13 July 7/2 Protanopes, individuals who lack long wavelength pigments, will see that the red petals of a tulip are the same colour as its leaves: a brownish-grey.
This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).
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n.1908