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daltonism

[dawl-tn-iz-uhm] / ˈdɔl tnˌɪz əm /


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Red-green color vision deficiency is also called Daltonism, after John Dalton, the English chemist from the 1790s.

From Scientific American

Color blindness, a condition from which he suffered, was for a long time called Daltonism because of his studies.

From Literature

Daltonism, the commonest form of color-blindness in which the affected individual is unable to discriminate between red and green.

From Project Gutenberg

Color blindness; inability to distinguish colors; Daltonism.

From Project Gutenberg

In 1794 he was elected a member of the Manchester Literary and Philosophical Society, and a few weeks after election he communicated his first paper on “Extraordinary facts relating to the vision of colours,” in which he gave the earliest account of the optical peculiarity known as Daltonism or colour-blindness, and summed up its characteristics as observed in himself and others.

From Project Gutenberg