Omar Rayo was a Colombian artist best known for his geometric abstract paintings. Associated with the Op Art movement, Rayo distorted and overlapped forms to create a sense of vibrating light and ...

Starting in the early 1960s, British artist Bridget Riley began exploring a style of art based upon simple geometric forms such as squares, lines, and ovals. Known as Op-art, the works created in this ...

Op Art, also known as optical art, is a type of art that features optical illusions. The way that lines, shapes, space and colour are used can fool our eyes and brain to see movement that is not ...