The CVD program of this page is outdated. A new Vision Demonstrations
program is part of the PXLab library.
This page leads you to some screen shots from the Color Vision
CVD for IBM PCs and compatibles as described in this reference:
Irtel, H. (1992). Color-vision demonstrations on an IBM PC/AT with
VGA. Behavior Research Methods, Instruments, & Computers, 24, 88-89.
Note that in order to display these images correctly you need a true
color display with 8 bits resolution per color channel.