How display polarity and lighting conditions affect the pupil size of VDT operators.

@article{Taptagaporn1990HowDP,
  title={How display polarity and lighting conditions affect the pupil size of VDT operators.},
  author={Sasitorn Taptagaporn and Susumu Saito},
  journal={Ergonomics},
  year={1990},
  volume={33 2},
  pages={201-8}
}
This study ascertained that CRTs using a positive display polarity (dark characters on bright background) are ergonomically more appropriate for VDT operators than ones using a negative display polarity (bright characters on dark background), using both physiological and psychological indices. Differences of pupil size and subjective evaluation of visual comfort while undertaking visual tasks were examined for six experimental conditions (two CRT display types in three different illuminated… CONTINUE READING

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