a defect of color vision characterized by the inability to see red
Origin of protanopiaModL: see proto-, an-, and -opia
A form of colorblindness characterized by defective perception of red and confusion of red with green or bluish green.
Origin of protanopiaprot(o)- an- -opia ( from the blindness to red, which is considered the first of the primary colors )
- (pathology) A form of color blindness. Involves a defect in distinguishing between red and green.