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Computer hardware and software to assist the visually impaired and blind
1Eye Department, Palmerston North Hospital, New Zealand.
Australian and New Zealand Journal of Ophthalmology
|February 1, 1993
Summary
Modern computer advancements enable visually impaired individuals to access technology. Adaptations like screen enlargement, voice output, and optical character recognition facilitate computer use for education, employment, and recreation.
Area of Science:
- Assistive Technology
- Human-Computer Interaction
- Computer Accessibility
Background:
- Traditional computer systems present barriers for visually impaired users.
- The increasing reliance on digital technology necessitates accessible solutions.
Purpose of the Study:
- To review modern computer hardware and software adaptations for the visually impaired.
- To explore how these technologies enhance participation in education, employment, and recreation.
Main Methods:
- Review of current computer hardware and software developments.
- Analysis of assistive technologies including screen enlargement, voice output, braille conversion, optical character recognition (OCR), and voice recognition.
Main Results:
- Screen enlargement and voice output assist partially sighted users.
- Speech/braille conversion with specialized hardware enables blind users to access spatial screen layouts.
- OCR and voice recognition offer further access for the totally blind.
Conclusions:
- Technological advancements have significantly improved computer accessibility for the blind and partially sighted.
- These adaptations foster greater inclusion in educational, professional, and recreational computer use.