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Visual fatigue during control room work in process industries.

Susanne Glimne1, Rune Brautaset1, Cecilia Österman2

  • 1Department of Clinical Neuroscience, Unit of Optometry, Karolinska Institutet, Stockholm, Sweden.

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Summary
This summary is machine-generated.

Computer screen work causes eye strain and fatigue, especially with glare. Improving visual ergonomics in control rooms can reduce operator workload and discomfort.

Keywords:
Visual demandscontrast glarelighting designworkload

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Area of Science:

  • Ergonomics
  • Human-Computer Interaction
  • Occupational Health

Background:

  • Computer screen use is visually demanding, leading to eye strain.
  • Glare exacerbates visual fatigue in demanding work environments.

Purpose of the Study:

  • To examine visual ergonomics in Swedish process industry control rooms.
  • To evaluate operator experiences with visual conditions and workload.

Main Methods:

  • Assessed visual conditions in nine control rooms.
  • Surveyed eighteen process operators on workload and visual experiences.

Main Results:

  • Operators reported higher mental workload and visual fatigue than expected.
  • Glare, frequent focus changes, and low screen contrast increased visual demands.

Conclusions:

  • Suboptimal visual ergonomics in control rooms increase operator demands.
  • Glare and poor design contribute to fatigue and high mental load.
  • Flexible workstation design considering ergonomics is crucial for control rooms.