a) Inability to perceive or distinguish certain colors, especially red-green color blindness. It has various forms and degrees.
b) Achromatopsia.

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  • daltonism —    Daltonism is also known as deuteranopia, deutan colour blindness, and deutan colour deficiency. All four terms are used to denote a colour vision deficiency of the green red type. The eponym Daltonism refers to the British chemist and… …   Dictionary of Hallucinations

  • daltonism — DALTONÍSM s.n. Defect al vederii care constă în incapacitatea de a distinge culorile, în special roşul de verde. – Din fr. daltonisme. Trimis de ana zecheru, 12.03.2003. Sursa: DEX 98  daltonísm s. n. Trimis de siveco, 10.08.2004. Sursa:… …   Dicționar Român

  • Daltonism — Dal ton*ism, n. Inability to perceive or distinguish certain colors, esp. red; color blindness. It has various forms and degrees. So called from the chemist Dalton, who had this infirmity. Nichol. [1913 Webster] …   The Collaborative International Dictionary of English

  • Daltonism — [dôlt′ n iz΄əm] n. [after DALTON John, who had color blindness and investigated it scientifically] color blindness, esp. red green blindness …   English World dictionary

  • Daltonism — Colorblindness of the red green type (also known as deuteranopia or deuteranomaly). The term Daltonism is derived from the name of the chemist and physicist, John Dalton (1766 1844). Dalton was born in a village in Cumberland, England where his… …   Medical dictionary

  • Daltonism —    John Dalton (1766 1844) was the consummate scientist. His interests embraced research, theories, and experimentation. Dalton was not permitted to attend Cambridge or Oxford because those schools were open only to members of the Church of… …   Dictionary of eponyms

  • daltonism — spalvinis aklumas statusas T sritis fizika atitikmenys: angl. color blindness; colour blindness; daltonism vok. Anerythropsie, f; Daltonismus, m; Farbenblindheit, f rus. дальтонизм, m; цветовая слепота, f pranc. achromatopsie, f; anérythropsie,… …   Fizikos terminų žodynas

  • daltonism — daltonic /dawl ton ik/, adj. /dawl tn iz euhm/, n. (sometimes cap.) Pathol. color blindness, esp. the inability to distinguish red from green. [1835 45; J. DALTON + ISM] * * * …   Universalium

  • DALTONISM —    , COLOUR BLINDNESS (q.v.). See DALTON, JOHN …   The Nuttall Encyclopaedia

  • daltonísm — s. n …   Romanian orthography

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