Abstract: A cursor control apparatus includes an operable control mounted on a housing for moving a cursor depicted on a video monitor. In one embodiment of the invention, the control and housing is formed of components which may be sterilized without affecting the mechanical and electrical properties of the apparatus. In a second embodiment, a sterilizable flexible and resilient covering covers the top portion of the housing and encases the operable control. The cursor control housing is provided with apparatus for securing the housing to the drape utilized to cover a patient in surgery.