Milan Dobeš exhibited a collection of his work at the World Exhibition of Modern Art Documenta 4 in Kassel,Germany in 1968. In his work he deals with optical collages and reliefs, he creates optical-kinetic objects (for example series of Pulse rhythms or beacons), architectural reliefs and painting. In graphic design he uses mainly the serigraphy technique. He is a world-renowned representative of op-art.