Daltonism
Daltonism
Daltonism (pronounced: /ˈdɔːltənɪzəm/), also known as deuteranopia or red-green color blindness, is a type of color blindness characterized by the inability to differentiate between red and green hues. The term is named after the English chemist John Dalton, who was the first to report on the condition.
Etymology
The term "Daltonism" originates from the English chemist John Dalton (1766–1844). Dalton published the first scientific paper on the subject in 1798, "Extraordinary facts relating to the vision of colours", after the realization of his own color blindness. Because of Dalton's work, the condition is sometimes referred to as Daltonism.
Symptoms
Individuals with Daltonism typically have difficulty distinguishing between red and green, two colors that appear similar to them. This can make certain tasks, such as driving or cooking, more challenging. Other symptoms may include difficulty seeing colors in low light and confusion of colors that others can easily distinguish.
Related Terms
- Anomalous trichromacy: A condition in which one of the three color mechanisms is faulty. Daltonism is a type of anomalous trichromacy.
- Dichromacy: A condition in which one of the three basic color mechanisms is absent. Daltonism is a type of dichromacy.
- Protanopia: A type of color blindness resulting from insensitivity to red light, causing confusion of greens, reds, and yellows.
- Tritanopia: A type of color blindness resulting from insensitivity to blue light, causing confusion of greens and blues, and also reds and yellows.
See Also
External links
- Medical encyclopedia article on Daltonism
- Wikipedia's article - Daltonism
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