The human eye and brain work in a way that its interpretation of depth can be altered. Therefore giving the appearance of an optical illusion. Optical Illusions can be created by using lines, color and carefully constructed geometrical patterns. Which as a result a phenomenon is created that is hard to explain. In the meantime the person questioning what is going on. By using optical illusion pictures we can therefore prove just how easy it is to fool the eyes and brain.
Optical illusions vary greatly. Artists have created magic images for centuries, experimenting with face illusions, animal ambiguities, geometric shapes, patterns, using color theory and the list goes on. Now days phenomenal illusions can be achieved. With the advent of computers and a deeper understanding of the brain, we are pushed to raise the bar higher and higher.