It's impossible to google for things when you don't know what they're called, but armed with tetrachromat I found a rather preliminary thing about women ( well, a woman ) with tetrachromatism : http : / / www . cs . utk . edu / ~ evers / documents / tetraChromat . txt It seems the affliction the males have is just a special kind of colour blindness, which isn't as dramatic as I remember .-- Talk 00 : 09, 10 December 2005 ( UTC)