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Related Experiment Videos

Validity and reliability of the Children's Visual Function Questionnaire (CVFQ).

Eileen E Birch1, Christina S Cheng, Joost Felius

  • 1Retina Foundation of the Southwest, Dallas, TX 75231, USA. ebirch@retinafoundation.org

Journal of AAPOS : the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
|May 22, 2007
PubMed
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The Children's Visual Function Questionnaire (CVFQ) effectively measures quality of life in pediatric eye conditions. Its subscales sensitively detect differences in visual function across various patient groups and treatment types.

Area of Science:

  • Ophthalmology
  • Pediatric Optometry
  • Quality of Life Research

Background:

  • The Children's Visual Function Questionnaire (CVFQ) is a validated tool for assessing vision-specific quality of life in children up to age 7.
  • Assessing construct validity is crucial for ensuring the CVFQ accurately reflects patient experiences in clinical trials.

Purpose of the Study:

  • To evaluate the construct validity of CVFQ subscales.
  • To determine the sensitivity of CVFQ subscales to common research questions in pediatric ophthalmic clinical trials.

Main Methods:

  • Compared CVFQ subscale scores (Competence, Personality, Family Impact, Treatment Difficulty) across different pediatric patient groups.
  • Groups included children with unilateral vs. bilateral cataracts, varying severity of retinopathy of prematurity (ROP), and different treatment regimens (optical, surgery, occlusion).

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Main Results:

  • Children with bilateral cataracts and severe ROP showed significantly worse Competence scores.
  • Treatment Difficulty and Family Impact scores were higher for unilateral cataracts and certain treatments like occlusion or aphakic contact lenses.
  • CVFQ subscales demonstrated significant differences correlating with disease laterality, severity, and treatment complexity.

Conclusions:

  • The CVFQ subscales are sensitive to meaningful differences in quality of life among pediatric ophthalmic patient groups.
  • The findings support the CVFQ's utility in capturing key outcomes in ophthalmic clinical research for children.