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Occup Environ Med. 2001 Apr;58(4):267-71.

Psychological factors and visual fatigue in working with video display terminals.

Author information

1
Occupational Medicine Institute, University of Sassari, Via Matteotti 58, 07100 Sassari, Italy. mocci@ssmain.uniss.it

Abstract

OBJECTIVES:

To examine the part played by psychological factors in complaints about visual health reported by banking officers who work at video display terminals (VDTs).

METHODS:

Out of a population of 385 bank workers, a group of 212 subjects without organic visual disturbances (as determined by ophthalmological examination) who share a work environment and job duties was selected. Three questionnaires were administered to these subjects: (a) the NIOSH job stress questionnaire; (b) a questionnaire investigating subjective discomfort related to environmental and lighting conditions of the workplace; (c) a questionnaire on the existence of oculovisual disturbances. Correlation and multiple regression analyses were performed to examine for the presence of predictors of asthenopia.

RESULTS:

Social support, group conflict, self esteem, work satisfaction, and underuse of skills were found to be predictors of visual complaints; social support played a part also as a moderating factor in the stress and strain model; this model accounted for 30% of the variance. Subjective environmental factors, although in some cases significantly correlated with asthenopia, were not found to be strong predictors of the symptoms.

CONCLUSIONS:

Some part of the complaints about visual health reported by VDT workers are likely indirect expressions of psychological discomfort related to working conditions.

PMID:
11245744
PMCID:
PMC1740121
[Indexed for MEDLINE]
Free PMC Article
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