1. rare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellow; [syn: tritanopia, blue-blindness]
WordNet (r) 3.0 (2006):
tritanopia
n 1: rare form of dichromacy characterized by a lowered
sensitivity to blue light resulting in an inability to
distinguish blue and yellow [syn: tritanopia, blue-
blindness]