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

Word History

First Known Use

1888, in the meaning defined above

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