Abstract

The coherent radiation produced by a laser may be used to produce a variety of interference patterns. These patterns may be projected on a screen or projected directly onto the retina. Several methods exist whereby these patterns may be changed rapidly. Use of changing laser generated interference patterns as a stimulus for visual evoked responses is described. Use for clinical evaluation of visual acuity in anesthetized, comatose or infantile patients or those unable to recognize a stable interference pattern is proposed.

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