1. A computer display pointer device comprising: an image processor coupled to a display and a video camera, the display configured to be worn by a user and display a computer image over a portion of the user's field-of-view, the video camera operable to the worn by the user and boresighted to a field-of-view of the user; the image processor operable to: receive a video signal from the video camera, the video signal including an image of a pointer element configured on a hand of the user; determine a position of the pointer element according to the received video image; and actuate a signal according to the determined position of the pointer element.