Dyschromatopsia

An archaic name for colorblindness. In contrast to Achromatopsia (a term that is still used), Dyschromatopsia meant that some color vision still existed.

It is still a common name for Colorblindness in some languages (e.g. Italian – Discromatopsia).

It is still used commonly when referring to cerebral CVD, which is classified as Achromatopsia or Dyschromatopsia.