<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">Op art</topic></authority><related type="broader"><topic>post-1945 fine arts styles and movements</topic></related><variant type="other"><topic>Abstract, Perceptual</topic></variant><variant type="other"><topic>Art Cinétique</topic></variant><variant type="other"><topic>Art Visuel</topic></variant><variant type="other"><topic>Art, Retinal</topic></variant><variant type="other"><topic>Op</topic></variant><variant type="other"><topic>Optical</topic></variant><variant type="other"><topic>Optical art</topic></variant><variant type="other"><topic>Perceptual Abstract</topic></variant><variant type="other"><topic>Retinal Art</topic></variant><variant type="other"><topic>art, Op</topic></variant><variant type="other"><topic>art, Optical</topic></variant> <note xml:lang="en"><![CDATA[ Refers to the international art movement that flourished in Europe and America in the mid-1960s. The style is charcterized by the careful manipulation of bold, sharply contrasting shapes and colors in order to create vitural movement, vibration, or chromatic tension. ]]></note></mads>