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Subjective responses to display bezel characteristics.

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Glossy black bezels on flat panel computer displays (FPDs) may cause eyestrain and visual discomfort. Other bezel colors and finishes did not significantly impact user comfort, suggesting specific material properties are key.

Keywords:
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Area of Science:

  • Human-Computer Interaction
  • Visual Ergonomics
  • Display Technology

Background:

  • Flat panel computer displays (FPDs) with various bezel colors and finishes are common in offices.
  • Concerns exist that high-reflectance or glossy bezels may contribute to user eyestrain.

Purpose of the Study:

  • To investigate the impact of bezel color and finish on visual comfort and eyestrain.
  • To determine if high reflectance or glossiness in FPD bezels affects user perception of visual discomfort.

Main Methods:

  • Twenty office workers evaluated six different FPDs, differing only in bezel color (black, white, silver) and finish (matt, glossy).
  • Participants used each display for one week at their workstation, unaware of the study's purpose.
  • Visual comfort was assessed weekly via questionnaires, followed by debriefing focus groups.

Main Results:

  • Glossy black bezels were significantly less preferred than matt black bezels.
  • Users reported greater dissatisfaction with glossy black bezels compared to other tested options.
  • No significant increase in visual discomfort or eyestrain was found for white or silver bezels, regardless of finish.
  • Generally, bezel reflectance and glossiness did not significantly increase visual discomfort, except for the glossy black condition.

Conclusions:

  • The glossy black bezel finish is a potential cause of reduced user satisfaction and visual discomfort.
  • Bezel color and finish can influence user perception of visual comfort, with specific combinations (e.g., glossy black) being less desirable.
  • Further research may be needed to fully understand the ergonomic implications of display bezel design.