the present invention relates to a process and a device for analyzing the movement of the eye or eyes of a patient , i . e . of a human being or animal . a device comprising a first video camera , a second video camera , which first and second cameras are mounted on a spectacle frame and are rigidly connected together and form part of a removable module ; said dirst and second cameras have points of sight of their respective scenes which are close . the technical domain of the invention is that of the manufacture of devices for measuring the movement of the eyes .