protanopia

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Definitions from WordNet

Noun protanopia has 1 sense

protanopia, red-blindness - dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue
--₁ is a kind of red-green dichromacy, red-green color blindness, red-green colour blindness

Definitions from the Web

Protanopia

Definition

Protanopia is a type of color vision deficiency, also known as red-green color blindness, where the affected individual lacks or has an impaired perception of red color.

Sample Sentences

John, who has protanopia, often confuses red and green traffic lights.
She struggles to appreciate Impressionist artworks due to her protanopia.
The optometrist diagnosed Peter with protanopia after an eye examination.

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