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Related Experiment Videos

Questionnaires for Measuring Refractive Surgery Outcomes.

Himal Kandel, Jyoti Khadka, Mats Lundström

    Journal of Refractive Surgery (Thorofare, N.J. : 1995)
    |June 7, 2017
    PubMed
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    This review identified three high-quality questionnaires for assessing refractive surgery outcomes. The Quality of Vision (QoV), Quality of Life Impact of Refractive Correction (QIRC), and Near Activity Visual Questionnaire (NAVQ) offer superior psychometric properties.

    Area of Science:

    • Ophthalmology
    • Vision Science
    • Health Outcomes Research

    Background:

    • Assessing outcomes of refractive surgery is crucial for patient care and research.
    • Numerous questionnaires exist, but their psychometric properties and suitability for refractive surgery outcomes vary.
    • A systematic evaluation is needed to identify the most reliable and valid instruments.

    Purpose of the Study:

    • To identify questionnaires used for refractive surgery outcomes.
    • To assess their psychometric properties, validity, and reliability.
    • To evaluate their performance in measuring refractive surgery outcomes.

    Main Methods:

    • Conducted an extensive literature search across major scientific databases (PubMed, MEDLINE, Scopus, etc.).
    • Identified 81 articles describing 27 distinct questionnaires.

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  • Analyzed questionnaires based on content quality, validity, reliability, responsiveness, and psychometric properties using established criteria.

    • Main Results:

    • 12 refractive error-specific questionnaires were identified, with 4 being refractive surgery-specific.
    • The National Eye Institute Refractive Quality of Life questionnaire, though common, lacks valid measurement.
    • The Quality of Vision (QoV), Quality of Life Impact of Refractive Correction (QIRC), and Near Activity Visual Questionnaire (NAVQ) demonstrated superior quality.

    Conclusions:

    • Identified three superior quality questionnaires for measuring different aspects of quality of life after refractive surgery.
    • Recommends selecting questionnaires based on the specific concept being measured and their psychometric rigor.
    • QoV, QIRC, and NAVQ are recommended for assessing visual symptoms, quality of life, and activity limitations, respectively.