"red-green" colour vision deficiency https://www.nhs.uk/conditions/colour-vision-deficiency/ https://www.nhs.uk/conditions/colour-vision-deficiency/ apparentl

"red-green" colour vision deficiency https://www.nhs.uk/conditions/colour-vision-deficiency/ https://www.nhs.uk/conditions/colour-vision-deficiency/ apparently there are other types in addition