Defenition of the word protanopia
    
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Defenition of the word protanopia
        
                    - A type of red-green color-blindness caused by an absence of the long-wavelength (red) sensitive retinal cones.
 
                    - inability to distinguish red and purplish blue
 
                    - dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue
 
                
     
Synonyms for the word protanopia
Hypernyms for the word protanopia
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                    - achromatic vision
 
                    - color blindness
 
                    - colour blindness
 
                    - red-green color blindness
 
                    - red-green colour blindness
 
                    - red-green dichromacy
 
                
     
See other words