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Seeing for yourself: feasibility study towards valuing visual impairment using simulation spectacles


  • Samuel Aballéa

    (Health Economics and Outcomes Research, i3 Innovus, UK)

  • Aki Tsuchiya

    (School of Health and Related Research, Department of Economics, University of Sheffield, UK)


Elicitation of utilities from members of the public generally uses verbal description of health states. This paper reports the results of a small-scale time trade-off study on the feasibility of an alternative approach, where health states were simulated using plastic spectacles. This approach has methodological implications for the valuation exercise, in that many respondents find it difficult to conceive of visual impairment alone, without referring to their own current health. We conclude that it is feasible to simulate visual impairment in valuation exercises, but care must be taken to ensure what health state is effectively being valued. Copyright © 2006 John Wiley & Sons, Ltd.

Suggested Citation

  • Samuel Aballéa & Aki Tsuchiya, 2007. "Seeing for yourself: feasibility study towards valuing visual impairment using simulation spectacles," Health Economics, John Wiley & Sons, Ltd., vol. 16(5), pages 537-543.
  • Handle: RePEc:wly:hlthec:v:16:y:2007:i:5:p:537-543
    DOI: 10.1002/hec.1184

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    References listed on IDEAS

    1. Brazier, John & Roberts, Jennifer & Deverill, Mark, 2002. "The estimation of a preference-based measure of health from the SF-36," Journal of Health Economics, Elsevier, vol. 21(2), pages 271-292, March.
    2. Claire Gudex, 1994. "Time trade-off user manual: props and self-completion methods," Working Papers 020cheop, Centre for Health Economics, University of York.
    3. Dolan, Paul, 2000. "The measurement of health-related quality of life for use in resource allocation decisions in health care," Handbook of Health Economics,in: A. J. Culyer & J. P. Newhouse (ed.), Handbook of Health Economics, edition 1, volume 1, chapter 32, pages 1723-1760 Elsevier.
    4. Dolan, P. & Gudex, C. & Kind, P. & Williams, A., 1996. "Valuing health states: A comparison of methods," Journal of Health Economics, Elsevier, vol. 15(2), pages 209-231, April.
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