hi all one of the 'design 101' classes which i took a few too many years ago had everyone take a variety of colour blindness tests we were told then, if my memory serves, that something like 60% of all men have colour blindness to some degree the incidence in women was so low as to not warrant comment [our interior design class comprised 26 women and 4 men] janet janet paterson - 52 now /41 dx /37 onset - [log in to unmask] 613/256/8340 - PO Box 171/Almonte/Ontario/K0A 1A0/Canada Scan some of My Past Posts at: http://www.geocities.com/SoHo/Village/6263/ Mine the PD List Archives at: http://james.parkinsons.org.uk/ Cull Nine Million Pub-Med Medical Studies at: http://www.ncbi.nlm.nih.gov/PubMed/ Comb the 'People With Parkinson's' PWP WebRing at: http://www.webring.org/cgi-bin/webring?ring=parkie;list