Glossary Term: Op Art
Op Art, also called Optical Art, was popular along side Pop Art. Op art is a branch of geometric, abstract art that deals with optical illusion. Op art artists used colors and shapes in precise ways to make colors, lines and shapes seem to pulsate and flicker. Two techniques used to achieve this effect are perspective illusion and chromatic tension. Artists used colors, lines and shapes repetitive and simple ways to create perceived movement and to trick the viewer's eye.. Some well-known artists of this period were Victor Vasarely, Bridget Riley and Larry Poons.

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