The
Touch Window is a clear membrane device that is placed over
the computer monitor screen
Available to fit 13-15” monitors (Edmark Company
and the Keytec Company) and 17” monitors (Keytec)
This device allows for individuals to directly
select items on the computer
$279.95. Mac or PC
Access
To aid in pointing, this scratch-resistant device can use
either a finger (some disabled students may use their fists
or side of hand) or a stylus
For students who have difficulty reaching up to the computer
monitor, the TouchWindow can be placed on the lap and used
much like a graphics tablet
If a student has difficulty holding the stylus, a grip device
can be added
Potential
Weaknesses
Activating a small area (such as a specific color in KidPix)
Slight calibration errors (where you point on the touch
screen may not accurately correspond to the same location
on the screen) - A touch screen monitor ($700) by Microtouch
http://www.microtouch.com
successfully addresses this problem.
Fatigue associated with holding up one’s hand in the unnatural
position for any amount of time