Liebreich's Sign for Defective Colour Vision among Artists

Abstract

LIEBREICH1 pointed out that in a London exhibition of 1871 a painting showed roofs an oxen red on the sunny side but green where shadowed. He suggested that it indicated that the painter was a red–green colour vision defective. Angelucci2 called this “Liebreich's sign” when he described the works of six painters known to be red–green defectives, whose… (More)
DOI: 10.1038/215542a0

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