Visual Field Perimeter and Distortion in Diving Masks.

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Abstract:

The evaluation was made to determine limitation of visual field perimeter and distortion within this perimeter for various diving masks. The report describes use of the perimeter detector and measurement of the visual field and distortion while wearing various diving masks. Restriction of the visual field by the diving masks evaluated was found to be from 40 to 50 degrees. Distortion was found only in the outer 2 degrees of the visual field. The results are discussed and recommendations are made for masks with the least restricted visual field. A standard masks with the least restricted visual field. A standard evaluation procedure is outlined for use in determining visual Field restriction and distortion in diving masks. Author

Author(s):
Workman, R. D. ; Prickett, C. M.
Author Organization(s):
NAVY EXPERIMENTAL DIVING UNIT WASHINGTON D C
Descriptive Note:
Final rept.,
Pagination:
0050

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
NEDU-Evaluation-4-57
Project Number(s):
NS-185-005
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*Vision, *Breathing masks, *Diver equipment, Distortion, Measurement
Field(s)/Group(s):
Life Support Systems
Keyword(s):
*Diving masks, *Visual field perimeter
Report Date:
1957 Feb 01