A head pointer is a stick or rod which is attached to a person's head by means of a head band so that by moving the head an individual can perform tasks that would ordinarily be performed by hand or finger movement.
A device attached to the user's head, that allows a user to move the pointer on the screen, (usually moved by the mouse, a pointing device, the arrow keys, or with the movement of their head). It is useful for people who have limited mobility
pointing device used by some pupils with severe physical difficulties to access the computer. Simple ones can be used to press keys. See also optical head pointer.