In summary, we have examined the relative contribution of various workstation characteristics to the symptoms reported by users of VDTs. Of the factors investigated, legibility of text in the screen and the required vertical head turns had a significant influence on the symptoms reported.
Acknowledgements
We thank Jim Whiting for his advice on postural ergonomics, and Dale Card and Anthony Bloesch who assisted in data analysis. This work was funded by a grant from the National Occupational Health and Safety Commission 0Vorksafe Australia).
References
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Collins, MJ., Brown, B., Bowman, K.J., and Caird, D. 1989, Human Factors, (submitted). Task variables and visual discomfort associated with the use of VDTs. Dainoff, M.J. 1982,Behaviour and Inform Technol, 1, 141-176. Occupational stress factors in visual display terminal (VDT) operation: a review of empirical research. Helander, M.G., Biilingsley, P.A., and Schurick, J.M. 1984, An evaluation of human factors research in visual display terminals in the workplace. In: Muckler, F.A. (Ed), Human Factors Review, Human Factors Soc, Santa Monica, 55-129. Huitgren, G.V., and Knave, B. 1974, Applied Ergonomics, 5(1), 2 - 8 . Discomfort glare and disturbances from light reflections in an office landscape with CRT display terminals. Martin, D.K., and Dain, S.J. 1988, Applied Ergonomics, 19(4), 293-300. Postural modifications of VDU operators wearing bifocal spectacles, National Research Council. 1983, Video displays, work, and vision. National Academy Press, Washington, DC. Snyder, H.L., and Taylor, G.B. 1979, Human Factors, 2 1 , 4 5 7 - 4 7 1 . The sensitivity of response measures of alphanumeric legibility to variations in dot matrix display parameters. Stammerjohn, L.W., Smith, M.J., and Cohen, B.G.F. 1981, Human Factors, 23, 401-412. Evaluation of workstation design factors in VDT operations. Turner, P.J. 1982, AustJOptom, 6 5 , 5 8 - 6 4 . Visual requirements for VDU operators. Vassilieff, A., and Dain, S. 1986, Applied Ergonomics, 17(2), 82-86. Bifocal wearing and VDU operation: A review and graphical analysis.
13 th International Symposium HFT '90 HUMAN FACTORS IN TELECOMMUNICATIONS Torino [italy] - September 10-14, 1990 DEADLINES May 31, 1990: June 30, 1990: July 15, 1 9 9 0
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Thirteenth Symposium of Human Factors in Telecommunications September 10-14, 1990 Centro Congressi SEAT, Via Bertola, 34 - Torino (Italy) CSELT - Centro Studi e Laboratori Telecomunicazioni S.p.A. - Torino Registration Fee: 450.000 Lit (includes Proceedings, reception, lunches and banquet). Proceedings only: 50.000 Lit (if ordered in advance). Accomodation in various hotels in the centre of Torino.
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Applied Ergonomics
June 1990
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