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This diploma thesis deals with the influence of geometric abstraction and op art on art and the use of new media in video art. Above all, it focuses on selected Czech artists of these directions and their work. The thesis is divided into two main parts, theoretical and practical. The theoretical part of the thesis deals with the beginnings of geometric abstraction and its expansion, especially in the second half of the twentieth century in Bohemia. Important names of this direction are mentioned here, namely Jan Kubíček, Hugo Demartini, Zdeněk Sýkora and Milan Grygar. Following the geometric abstraction, there are tendencies to create geometric optical illusions outlined in the chapter devoted to op art. The work of Vladislav Mirvald and Radoslav Kratina is highlighted here. In addition, it devotes itself mainly to the penetration of new media into video art and overall to the arts as such. Mr and Mrs Vasulka are mentioned as representatives of video art. They have contributed to the development of this direction, primarily through their creativity and inventiveness during their creative work. The text describes the issue not only from a global point of view, but also focuses on the development of Czech art. The practical part reflects the knowledge of the theoretical part and unifies the elements of the above-mentioned directions by creating an authorial video using mainly the principles of geometric abstraction.