>> Please note, that they cannot be really colour-blind because it would
make
>> them blind absolutely.
>I don't know whether you're talking about the same book (it doesn't really
>sound as if you are). But it's certainly possible to be color-blind
>without being blind.
Only if shades are not considered colors. Picture without shades and/or
colors is just a blank picture would you agree?
--- Michal Kulczycki AKA Ronan the Great University of Wroclaw, Psychology Dept. ICQ #: 8954988