Page 128 - Handbook of Electronic Assistive Technology
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116 HANDBOOK OF ELECTRONIC ASSISTIVE TECHNOLOGY
FIGURE 5-7 Voice output communication aid keyguard� Courtesy of Tobii Dynavox.
FIGURE 5-8 Custom-made iPad keyguard� Courtesy of Logan Technologies.
have difficulty reaching across a standard keyboard, may benefit from small keyboards
or from touchscreen devices where the keyboard or touch interface can be optimally
sized. Compact keyboards are also convenient when space is minimal, such as on a
wheelchair tray.
High Contrast Keyboards and Stickers
Users with visual impairment may benefit from keyboards with a high-contrast key legend
or from the addition of high contrast stickers. Keyboard stickers are also available in child-
friendly lower case fonts.
