Green-blindness and Red-blindness

Green-blindness noun - Dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red.

Red-blindness and green-blindness are semantically related. In some cases you can use "Red-blindness" instead a noun phrase "Green-blindness".

Red-blindness noun - Dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue.

Green-blindness and red-blindness are semantically related. You can use "Green-blindness" instead a noun phrase "Red-blindness".