What the Difference Between Protanopia and Deuteranopia?

Deuteranopia is a type of red-green color blindness characterized by the inability to distinguish red and green pigments. Protanopia is another type of red-green color deficiency. Both are primarily caused by recessive genes in the X chromosome.

What is deuteranopia and protanopia?

People with protanopia are unable to perceive any 'red' light, those with deuteranopia are unable to perceive 'green' light and those with tritanopia are unable to perceive 'blue' light.

Can you have both protanopia and deuteranopia?

Two of the most common inherited forms of color blindness are protanomaly (and, more rarely, protanopia – the two together often known as "protans") and deuteranomaly (or, more rarely, deuteranopia – the two together often referred to as "deutans").