Optical illusion There are a variety of different types of optical illusions. Many are included in the following list. Artists who have worked with optical illusions include M. C. Escher, Bridget Riley, Salvador Dalí, Giuseppe Arcimboldo, Patrick Bokanowski, Marcel Duchamp, Jasper Johns, Oscar Reutersvärd, Victor Vasarely and Charles Allan Gilbert. Contemporary artists who have experimented with illusions include Jonty Hurwitz, Sandro del Prete, Octavio Ocampo, Dick Termes, Shigeo Fukuda, Patrick Hughes, István Orosz, Rob Gonsalves, Gianni A. Sarcone, Ben Heine and Akiyoshi Kitaoka. Optical illusion is also used in film by the technique of forced perspective. Op art is a style of
Illusion On-Demand which indicates that the domain is no longer controlled by Illusion TV. To date Illusion has been part of two genre events, co-hosting a New York Comic Con afterparty with website Popcultureshock.com and Marvel Comics and joining forces with comic book writer Stan Lee and the Hero Initiative for a charity event during San Diego Comic Con 2007. Additionally, Illusion co-sponsored the 33rd annual Boston Science Fiction Marathon "Incomplete list of channel offerings" Illusion On-Demand Illusion On-Demand is an American VOD Video On Demand cable TV network focused on science fiction and fantasy programming. Illusion launched nationally in October 2007