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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)
  • P Blenkhorn
  • 1992
There are several approaches to producing communication aids for people with disabilities. The system described here takes the approach of utilizing as much mainstream hardware as possible, and adapting it with some modular software tools which have been designed to facilitate the building of customized symbol communication systems. The target audience are(More)
This paper describes the motivation for and the design considerations of a low-cost head-operated joystick. The paper briefly summarizes the requirements of head-operated mouse pointer control for people with disabilities before discussing a set of technological approaches that can be used to satisfy these requirements. The paper focuses on the design of a(More)