Daltonism (Noun)
Meaning
Dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red.
Classification
Nouns denoting natural processes.
Examples
- The doctor diagnosed the patient with daltonism, a type of color blindness that made it difficult to distinguish between green and red.
- Historically, the term daltonism was used to describe any type of color blindness, but it now specifically refers to deuteranopia, a condition where reds and greens appear similar.
- Daltonism does not affect the perception of all colors, only those with longer wavelengths like green and red.
- In people with daltonism, colors tend to appear less vibrant and more yellowish in comparison to those with normal vision.
- Daltonism is named after John Dalton, an English chemist and physicist who first described the condition in 1794 after discovering he was colorblind.