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A review of NIOSH ergonomics VDT research.

Authors
Smith MJ
Source
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, 1984 Jan; :1-18
Link
NIOSHTIC No.
00185301
Abstract
Recent laboratory and field research into the health and safety issues of work with video display terminals (VDT) by NIOSH was reviewed. Studies have been conducted to determine possible occulomotor and visual function patterns inherent in VDT viewing which may be related to eye strain or visual fatigue and to isolate workstation design, environmental and work regimen factors which are related to VDT operator health complaints and performance. While the studies thus far have not resulted in clear findings, certain areas of greater uncertainty have arisen. Using a variety of indicators of visual acuity, eye movement patterns, and pupillary response for VDT tasks lasting from 1.5 to 3 hours in the laboratory and over a normal work day in field testing, attempts to objectively quantify visual fatigue and strain have not been successful. These same studies have indicated a wide variety of subjective visual complaints including eye fatigue, eye irritation, and blurred vision as well as significant muscular strain. Both laboratory and field studies indicated that VDT operators have more subjective muscular strain than nonoperators and that ergonomically suboptimal workstation features produced increased muscular strain. Studies to date offered mixed results concerning the relative stressfulness of VDT and non VDT work.
Keywords
NIOSH-Author; Posture; Video-display-terminals; Musculoskeletal-system-disorders; Ergonomics; Biomechanics; Office-workers; Task-performance; Eyesight; Job-stress
Publication Date
19840101
Document Type
Other
Fiscal Year
1984
NTIS Accession No.
PB89-165112
NTIS Price
A03
NIOSH Division
DBBS
Source Name
National Institute for Occupational Safety and Health
State
OH
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