Vol. 20, Issue 1
If the reader will allow me a brief departure, I use a standard computer with some specialized hardware and software made by Prentke-Romiche, Inc., of Wooster, Ohio. I use an onscreen keyboard, which allows me to type without hands. It has a word-prediction function, which significantly increases my typing speed.
The hardware is the Headmaster 2000, which is a head-mounted—or more accurately an eyeglass-mounted—mouse. Moving my head moves the cursor on my monitor. An infrared beam is produced by a device mounted on the left earpiece of my eyeglasses. A clear plastic mouse mounted on top of the monitor picks up the beam. The system triangulates the beam’s position to aim the cursor. I can left-click by puffing or right-click by sipping on a straw in my mouth.
With this system, I can perform all the functions of a regular mouse, including click and drag. In fact, I am able to perform 95 to 98% of the functions that a non-disabled computer user can perform.
© 2002 The National Multiple Sclerosis Society