Evaluation of U.S. Diver's Co. 'Look Out'Full Face Mask for Possible Use in a Scuba Communication System,

摘要

The commercially available U. S. Diver's Co. 'Look Out'full face mask with wrap around face plate and retractable mouthbit is given routine visual field and extensive Experimental Diving Unit testing. Quantitatively,the increase in visual field is not significant though psychologically there appears to be a great increase. There is severe distrotion of vision at the edges of the field. Subjective and engineering considerations lead to the conclusion that the mask does not give sufficient promise as regards adaptation of a communication system to warrant further use. (Author)