Noun: tritanopia ,trI-tu'now-pee-u
- Rare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellow
"Tritanopia is sometimes called 'blue-yellow colour blindness'";
- blue-blindness
Derived forms: tritanopias
Type of: yellow-blue color blindness [US], yellow-blue colour blindness [Brit, Cdn], yellow-blue dichromacy
Encyclopedia: Tritanopia