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TouchWindows and touch screens

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Touch screens let a person point to parts of a monitor and make selections based on where he/she touches. Since the person points directly to what he wants, rather than moving a ball to move a cursor to point to what he wants, it is cognitively easier to use. A user with a slight visual impairment will also need to look for the mouse cursor - it will follow his or her finger. However, the user also needs to be able to reach up to the monitor. Edmark's TouchWindow is a device that fits over a monitor to add this capability (about $350). Monitors with this feature built in cost about $800-1700.

See the Mouse alternatives article for more cursor control options.