Properties6
TypeArtwork
AuthorBridget Riley
MovementOp Art
WhereThe Museum of Modern Art
Year1964
Note createdFeb 12, 2026

Current Synthetic polymer paint on board, 58 3/8 × 58 7/8” (148.1 × 149.3 cm). Black-and-white undulating lines creating powerful optical distortion effects that seem to move and pulse before the viewer’s eyes. Featured in MoMA’s landmark The Responsive Eye exhibition (1965), which helped define the Op Art movement.