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How Can We Use the Vision Preference Value Scale?

Steven M. Kymes, PhD, MHA

Arch Ophthalmol. 2008;126(12):1765-1766.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

In this issue of Archives, the Submacular Surgery Trials Group presents an evaluation of the Vision Preference Value Scale (VPVS).¹ In contrast to more commonly known measures of quality of life, such as the National Eye Institute Visual Function Questionnaire, which measures a person's perception of their visual function, the VPVS (and similar survey instruments, such as the Impact of Visual Impairment questionnaire²) measures a person's preference for function. That is, rather than asking if the person has difficulty reading, the investigator measures the person's preference for being able to read (ie, how much being able to read matters to the person). As with the National Eye Institute Visual Function Questionnaire, the investigator may use responses to the VPVS to create summary scales that measure the overall outcome of an intervention and thus the person's preference for the change in health status following treatment. . . . [Full Text of this Article]

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