Judged: two independent readers; copy check clear.
blue–yellow blindness
blue–yellow blindness Blue–yellow blindness is a form of partial colour-blindness in which the short-wave end of the spectrum appears very dark and weakly coloured, yellow may be mistaken for white, and red and green remain distinguishable.
Blue–yellow blindness is a form of partial colour-blindness in which the short-wave end of the spectrum appears very dark and weakly coloured, yellow may be mistaken for white, and red and green remain distinguishable. In the source, it is described as involving loss of blue–yellow colour perception rather than total loss of colour vision.