Visual Fields of the Scuba Diver

Abstract
The restricted visual fields available to SCUBA divers were examined by means of an under-water perimetry apparatus. Measurements were obtained for three standard partial masks (covering only the eyes and nose), one atypical “wrap-round” partial mask, and one full-face mask. Data are presented along with some consideration of the interactions between mask design and visual field, and a brief resumé of procedural variables affecting human factors experimentation underwater.

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