Definition of Protanopia

1. Noun. Dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue.




Definition of Protanopia

1. Noun. (pathology) A form of color blindness. Involves a defect in distinguishing between red and green. ¹

¹ Source: wiktionary.com

Protanopia Pictures

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Lexicographical Neighbors of Protanopia

protagon
protagonism
protagonist
protagonistic
protagonists
protagons
protamines
protamins
protandry
protanomaly
protanope
protanopia (current term)
protanopias
protanopic
protases
protasis
protasite
protaspid
protaspis
protatic
protea
protea family
proteaceous
protean
proteanly
proteans

Literary usage of Protanopia

Below you will find example usage of this term as found in modern and/or classical literature:

1. The American Naturalist by American Society of Naturalists, Essex Institute (1907)
"The three forms are named protanopia, deuteranopia, and tritanopia respectively. In protanopia the red end of the spectrum is shortened; that is, ..."

2. A Text-book of Physiology for Medical Students and Physicians by William Henry Howell (1911)
"The most common by far of these groups is that of so- called red-blindness (protanopia); it constitutes the usual form of color blindness. ..."

3. A Text-book of Physiology for Medical Students and Physicians by William Henry Howell (1911)
"The most common by far of these groups is that of so- called red-blindness (protanopia); it constitutes the usual form of color blindness. ..."

4. Manual of Mental and Physical Tests: A Book of Directions Compiled with by Guy Montrose Whipple (1914)
"protanopia is far less frequent than deuteranopia. Of great theoretical interest and decided practical importance are those cases in which the same color ..."

5. A Text-book of physiology: For Medical Students and Physicians by William Henry Howell (1915)
"The most common by far of these groups is that of soil red-blindness (protanopia) ; it constitutes the usual form of blindness. As a matter of fact, ..."

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