Deuteranopia vs. Protanopia

Deuteranopianoun

A form of color blindness in which the retina is deficient in or lacks cone cells containing opsins that respond to the color green, resulting in an inability to distinguish red from green.

Protanopianoun

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

Deuteranopianoun

dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red

Protanopianoun

dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue