Op art works are abstract, with many of the better known pieces made in black and white.

His work from this period shows the influence of Op Art.

Op art is a perceptual experience related to how vision functions.

Although being relatively mainstream, photographers have been slow to produce op art.

These paintings conveyed a sense of movement, and were categorized as op art.

Op Art as a movement died soon after.

His own paintings form the foundation of both hard-edge painting and Op art.

They were associated with Op art, hep and mod culture.

Op Art is created in two primary ways.

The paintings have a visual intensity close to that of Op Art.

Also Op Art in the early 1960s had a powerful effect on him.

Op art is derived from the constructivist practices of the Bauhaus.

This folder also doubles as the world's largest collection of Op Art.

He thus became an early precursor of Op Art.

The results are a little like Op Art in slow motion and without the taped edges.

A gray, black and white quilted pattern looked like an Op Art design.

These works explored a broad range of styles including figurative, abstract, and Op art.

His style combined elements of constructivism, minimalism, and op art.

Black and white stripes recall Op Art of the 1960's.

"From a distance, it has a true three-dimensional Op Art quality," he said.

He was part of the Op Art movement.

This visual ambiguity has been exploited in op art, including "impossible object" drawings.

In the drawing, it looks like Op Art.

Several were actually in the Op Art show, but most were done by participants around the period of the exhibition.

The jangling Op Art color combinations, her strong suit, persist.