op art
US /ˈɑːp ɑːrt/
UK /ˈɑːp ɑːrt/
1.
a style of art that makes use of optical illusions created by geometric patterns and shapes, often in black and white, to create an impression of movement or hidden images
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The gallery featured a stunning exhibition of op art, with paintings that seemed to vibrate.
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Many artists in the 1960s experimented with op art to explore perception.