Abstract
Individuals who become visually impaired need to adapt in the way they perform tasks. This article describes three classes of change involved in improving the daily living skills of persons with visual impairments: changes in the work, in the workplace, and in the worker's activity. Changes in the work or product are considered the highest level of change and, of necessity, bring about changes in the workplace and in the worker's activities. Case studies illustrate the three levels of changes.
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