What Is The Rarest Color Vision Deficiency?
Monochromatism, or complete colorblindness, is the rarest form of color blindness as it relates to the absence of all three cones. What’s the worst color blindness? Achromatopsia is extremely rare, occuring only in approximately 1 person in 33,000 and its symptoms can make life very difficult. Usually someone with achromatopsia will need to wear dark …