Noun: blue-blindness 'bloo'blInd-nus
- Rare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellow
"blue-blindness is sometimes called 'blue-yellow colour blindness'";
- tritanopia
Type of: yellow-blue color blindness [US], yellow-blue colour blindness [Brit, Cdn], yellow-blue dichromacy