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This paper looks at different ways of personalising web page presentation to alleviate functional impairments in older people. The paper considers how impairments may be addressed by web design and through various personalisation instruments: accessibility features of standard browsers, proxy servers, assistive technology, application adaptors, and special(More)
The paper reports on two development cycles of a joystick-operated full-screen magnifier for visually impaired users. In the first cycle of evaluation, seven visually impaired computer users evaluated the system in comprehension-based sessions using text documents. After considering feedback from these evaluators, a second version of the system was produced(More)
A new device, the Braille Slate Talker, is introduced. An ordinary hand held device (a PDA) is used with a fixed layout plastic guide placed over the touch screen to allow Braille input. Contracted Braille is converted to text by a table-driven state machine. Programs are written in Java language to provide full hardware and software platform independence.(More)
This study investigates blind users' mental models of Windows environment and their strategies in coping with new desktops and applications. The relationship between users' mental model and their perceived usability problems when using an unfamiliar screen reader is also reported. Blind users in this study possess a functional or structural mental model or(More)