http://www.eyetricks.com/illusions.htm

http://brainden.com/eye-illusions.htm

http://www.harmsy.freeuk.com/eyemagic.html

http://www.magiceye.com/

http://brainden.com/visual-illusions.htm

http://www.qualitytrading.com/illusions/

http://www.target.com/gp/search.html?field-keywords=eye-illusions

http://www.magiceye.com/3dfun/stwkdisp.shtml

http://opticalillusions1st.blogspot.com/

http://www.illusionworks.com/

http://www.iriddler.com/illusions/index.htm

http://www.thirdeyehealth.com/optical-illusions.html