color filters blindness Color Blindness Filters clip art vector graphic can be downloaded for free color blindness filters Color Blindness Filters
This is a simple patch with a duck on it. The duck is requesting foie gras eaters to feed force themselves. The duck also expresses his/her wish to go back to the lake as any worthy created creature may freely choose to do whenever they wish to do so angry arguments billions FORCE FEED YOURSELF - Patch
8 Filters to simulate 8 diffrent types of color blindness. Method used is color matrix filter, values from: http://www.colorjack.com/labs/colormatrix/ some text information about prevalence from wikipedia. Note, I haven't converted the text to paths as I wanted to keep them readable/selectible and not really part of the picture achromatomaly achromatopsia blindness Color Blindness filters
City University Colour Vision Test (CUVT). the patient must find what is the point which has the closest color compared to the color of the central point eyes medical medicine Test of color blindness
color filters blindness Color Blindness Filters clip art public domain filter tritanomaly Color Blindness Filters clip art