Contrast sensitivity of air-breathing nonprofessional scuba divers at a depth of 40 meters

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Abstract

Photopic contrast sensitivity of air-breathing scuba divers was measured with a translucent test pattern at depths up to 40 m. The pattern was composed of sine wave gratings with spatial frequency and contrast changing logarithmically. The spatial transfer characteristics were measured at various depths under controlled optical conditions in seawater and in fresh water. Analysis indicates that the visual contrast sensitivity, and therefore probably also acuity, of sport divers is not affected up to depths of 40 m. This holds under ideal as well as poor diving conditions
Original languageEnglish
Pages (from-to)275-283
JournalPerceptual and Motor Skills
Volume75
Issue number1
DOIs
Publication statusPublished - 1992

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