Preliminary Assessment of Stroboscopic Shutter Glasses on Motion Sickness in Helicopter Passengers
ARMY AEROMEDICAL RESEARCH LAB FORT RUCKER AL
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This report presents the results of preliminary tests conducted by the USAARL of two sets of stroboscopic shutter glasses at 4Hz and 8 Hz proposed as a countermeasure for motion sickness. The purpose was to examine the mission applicability and product potential of the glasses and to gain support for their inclusion in future USAARL motion sickness studies. Six participants experienced two flights in the cabin of a Black Hawk helicopter the first flight with shutter glasses and the second without them. Following each flight, each participant filled out a motion sickness questionnaire and provided subjective feedback. This preliminary testing of the shutter glasses was conducted to determine their worthiness of further study. The testing was deliberately limited with no intentions of drawing firm conclusions as to the shutter glasses efficacy. Although the effectiveness of the shutter glasses as a countermeasure for motion sickness is not implied by this test, the results did indicated that shutter glasses, particularly the 8 Hz device demonstrated promise and should be explored as a non-pharmacological motion sickness prevention strategy.
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