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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)
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)
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)