Daltonism

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See also: daltonism

English[edit]

Etymology[edit]

Named for the English chemist John Dalton (1766–1844), who had the condition and did early research into it.

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Noun[edit]

Daltonism ‎(uncountable)

  1. (medicine, pathology) Inability or defective ability to perceive or distinguish certain colors, especially red-green color blindness.
    • 2002, Richard Davies, Descartes: Belief, Scepticism and Virtue, page 25,
      A person with Daltonism may be said to lack a discriminatory power that others have: his perceptions of red and green are, as such, not to be relied on.
    • 2011, Gordon Plant, James Acheson, Charles Clarke, Elizabeth Graham, Robin Howard, Simon Shorvon, 13: Neuro-Opthalmology, Charles Clarke, Robin Howard, Martin Rossor, Simon D. Shorvon (editors), Neurology: A Queen Square Textbook, unnumbered page,
      The Ishihara plates were developed for the assessment of congenital colour anomalies (Daltonism) and so there is considerable detail in the testing that is not relevant to optic nerve disease where the losses do not follow the specific patterns seen in Daltonism but show largely global losses.
    • 2013, Sevasti Trubeta, Physical Anthropology, Race and Eugenics in Greece (1880s–1970s), page 109,
      The concern of Kosmetatos was not how affected individuals would manage to organize their lives taking the effects of Daltonism as given; rather, using the specific case of Daltonism, he suggested the bureaucratization and surveillance of humans by recording their health condition over long periods.
  2. Achromatopsia.

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