Visual Stress

A.J.Wilkins

ISBN 0 19 8521 74 X

published by Oxford University Press, 1995

A general and unified theory of visual discomfort is introduced. The theory is based on the observation that certain visual stimuli are uncomfortable to look at, and that these same stimuli induce seizures in patients with photosensitive epilepsy. The data supporting the theory are described in Chapters 2 and 3 which cover photosensitive epilepsy, visuo-perceptual distortions and migraine. The theory is elaborated in Chapter 4 and is then applied to a variety of everyday problems, such as eye-strain from reading (Chapter 5), from lighting (Chapter 6), from television and visual display terminals (Chapter 7), and more generally from design (Chapter 8). The role of colour in therapy is reviewed in Chapter 9 which includes a review of recent techniques for precision tinting of spectacle lenses. Further theory is offered in Chapter 10, and Chapter 11 provides a summary of techniques for preventing discomfort.

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