_ “Pictures that attack the eye” was the explaining headline of a feature on Op-art in the Time Magazine published on October 23, 1964. “Preying and playing on the fallibility in vision is the new movement of “optical art” that has sprung up across the Western world. No less a break from abstract expressionism than pop art, op art is made tantalizing, eye-teasing, even eye-smarting by visual researchers using all the ingredients…” were the opening lines and in fact, Op-art compositions create a sort of visual tension in the viewer’s mind that evoke the illusion of space and movement.