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
Crater illusion image of Mercury's Spitteler and Holberg craters taken by the MESSENGER spacecraft. The image on the left is the original image and the image on the right is the same image rotated in an attempt to remove the illusion. In the image on the left of the Tin Bider crater produced by NASA Earth Observatory's EO-1-based Advanced Land Imager produces a reverse illusion. The crater rises above the surrounding terrain, however the position of the sun makes it appear to be below it. Crater illusion The Crater Illusion also known as the Crater/Dome Illusion or Dome Illusion is an optical