tritanopia
Concise Oxford English Dictionary © 2008 Oxford University Press:
tritanopia /ˌtrɪtəˈnəʊpɪə/
▶noun a rare form of colour blindness resulting from insensitivity to blue light, causing confusion of greens and blues. Compare with protanopia, deuteranopia.
– origin early 20th cent.: from Gk tritos ‘third’ (referring to blue as the third colour in the spectrum) + an-1 + -opia.
'tritanopia' also found in these Oxford entries:
