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red-green color blindness
noun
variants
or less commonly red-green blindness
: deficiency of color vision ranging from imperfect perception of red and green to an ability to see only tones of yellow, blue, and gray
Examples of red-green color blindness in a Sentence
Recent Examples on the Web
Applicants with common illnesses or conditions including Type I diabetes, red-green color blindness, Huntington’s disease, schizophrenia and bipolar disorder are rejected, said Robin Baird, the legal and policy director for Cryobio sperm bank in Columbus, Ohio.
—Amber Ferguson, Washington Post, 20 Oct. 2022
However, since dogs do not have red-sensing cones, their sight is comparable to that of someone with red-green color blindness, according to research by Jay Neitz, professor of ophthalmology and a color vision researcher at the University of Washington.
—Olivia Munson, USA TODAY, 8 July 2022
There are a few types of color vision deficiencies, but red-green color blindness is the most common type.
—Brooke Swanson As Told To Kate Morgan, The Cut, 22 Feb. 2018
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Word History
First Known Use
1888, in the meaning defined above
Time Traveler
The first known use of red-green color blindness was
in 1888
Dictionary Entries Near red-green color blindness
Cite this Entry
“Red-green color blindness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red-green%20color%20blindness. Accessed 23 Dec. 2024.
Medical Definition
red-green color blindness
noun
: deficiency of color vision ranging from imperfect perception of red and green to an ability to see only tones of yellow, blue, and gray
called also red-green blindness
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