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Related Experiment Videos

Eye discomfort and work with visual display terminals

U O Bergqvist1, B G Knave

  • 1Department of Neuromedicine, National Institute of Occupational Health, Solna, Sweden.

Scandinavian Journal of Work, Environment & Health
|February 1, 1994
PubMed
Summary

Routine office workers using visual display terminals (VDTs) experience more eye discomfort. Factors like screen height and individual stress also contribute to these symptoms, highlighting the need for ergonomic considerations.

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Area of Science:

  • Occupational Health
  • Ergonomics
  • Ophthalmology

Background:

  • Routine office work frequently involves prolonged use of visual display terminals (VDTs).
  • Eye discomfort symptoms are a common complaint among VDT users.
  • Understanding the contributing factors is crucial for mitigating these issues.

Purpose of the Study:

  • To investigate the relationship between eye discomfort symptoms and visual display terminal (VDT) work.
  • To identify specific symptoms associated with increased VDT usage.
  • To explore individual and ergonomic factors influencing these symptoms.

Main Methods:

  • A study involving 327 office workers and their workstations.
  • Data collection through questionnaires and worksite investigations.

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  • Multivariate logistic regression analysis to assess relationships.

    • Main Results:

    • Increased VDT work correlated with higher incidence of eye discomfort, including light sensitivity, smarting, grittiness, and redness.
    • Spectacle use, age, stress, viewing distances, and terminal height influenced symptom occurrence.
    • Specific scenarios like prolonged VDT work at eye level, using monofocal glasses with varying distances, or being elderly with stress increased symptom risk.

    Conclusions:

    • Visual display terminal use in routine office settings is linked to increased eye discomfort.
    • Individual factors (age, stress) and ergonomic factors (terminal position, glasses) significantly modify this association.