the types of colorblindness:
Deuteranomaly is the most common type of red-green color vision deficiency. It makes certain shades of green look more red. This type is mild and doesn’t usually get in the way of normal activities.
Protanomaly makes certain shades of red look more green and less bright. This type is mild and usually doesn’t get in the way of normal activities.
Protanopia and deuteranopia both make someone unable to tell the difference between red and green at all.
Tritanomaly makes it hard to tell the difference between blue and green and between yellow and red.
Tritanopia makes someone unable to tell the difference between blue and green, purple and red, and yellow and pink. It also makes colors look less bright.
Color vision deficiency can also happen if your eyes or the part of your brain that helps you see color gets damaged. Common causes of this are: Eye diseases — like glaucoma or age-related macular degeneration (AMD) Brain and nervous system diseases
