Red, Green, and Blue Twisted Curves, 1979. The “spectator who looks at my work is part of the work itself,” Riley has said. Collection of the artist. ©Bridget ...

Bridget Riley has produced some of the most visually arresting art of the past century ... brain but because of miniscule involuntary eye movements called microaccades. Riley’s work invites ...

Op Art, also known as optical art ... the images and this creates feelings that the work itself is moving. Bridget Riley's Uneasy Centre features black and white circles painted with lines ...

London’s Hayward Gallery might just have the answer, with the most extensive and comprehensive exhibition of Bridget ... Riley’s career were a carol, this would be the descant. If the exhibition ...

Op Art, also known as optical art ... Image caption, Uneasy Centre, Bridget Riley, 1963, screenprint, Peter Horree / Alamy Stock Photo Bridget Riley's Uneasy Centre features black and white ...