A 34-year-old member asked:
What is the difference between deuteranopia vs protanopia?
1 doctor answer • 2 doctors weighed in
A Verified Doctoranswered
Family Medicine 40 years experience
Dimmed bright colors: Protanopes lack long-wavelength-sensitive cones & are unable to distinguish between colors in the green–yellow–red part of the spectrum. Also the brightness of red, orange, & yellow is much reduced. Deuteranopes lack medium-wavelength cones; they have the same hue discrimination problems as the protanope, but without the abnormal dimming. Both have red-green colorblindness.
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5.8k viewsReviewed >2 years ago
Last updated Feb 9, 2021
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