Which is the most common form of color blindness?
Correct answer: Red–green

Myffa
18th cent. Manchester scientist, John Dalton, who had the condition and studied it. My father had the condition: he loved to paint, but trees might have red leaves, and post boxes might be green! (And not in autumn or Ireland.)

option
I would have liked some information on the underlying causes.

gonow
It is genetic and is inherited from the mother.

Terry
my dad was color blind couldn't tell the difference between pink and coral

Som
I read somewhere that many colour blind people have better night vision

Tres
gonow, but afflicts males more than females

Tay
Myffa, that's why it'd art. there are no rules, luckily! 😄