Validity and Reliability of the Turkish Version of the Revised Low Vision Independence Measure (LVIM-R)


ÖZKAN E., Ilhan B., Smith T. M.

American Journal of Occupational Therapy, cilt.77, sa.1, 2023 (SSCI, Scopus)

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 77 Sayı: 1
  • Basım Tarihi: 2023
  • Doi Numarası: 10.5014/ajot.2023.050055
  • Dergi Adı: American Journal of Occupational Therapy
  • Derginin Tarandığı İndeksler: Social Sciences Citation Index (SSCI), Scopus, ASSIA, AgeLine, CINAHL, EMBASE, Psycinfo, DIALNET
  • Sağlık Bilimleri Üniversitesi Adresli: Evet

Özet

Importance: Few tools are available for assessing the activity performance of people with low vision. Additional practical instruments are required for occupational therapy evaluation. Objective: To evaluate the validity and reliability of the Turkish version of the Revised Low Vision Independence Measure (LVIM-R). Design: We analyzed Turkish LVIM-R items using confirmatory factor analysis with parceling. Test-retest reliability was measured using the intraclass correlation coefficient (ICC). The study was conducted between April 2020 and July 2021. Setting: Ophthalmology clinic. Participants: The study included 89 people with low vision who applied to an ophthalmology training and research clinic. Participants were age ≥18 yr, had visual acuity of 0.5 to 1.3 logarithms of the minimum angle of resolution, and consented to participate. Intervention: Not applicable. Outcomes and Measures: Turkish version of the LVIM.R, a self-report measure of activity performance for people with low vision. Results: In the principal-components analysis, the highest eigenvalue was Armor's θ = .966. ICCs were .995 for Visual Field or Scotoma, .997 for Visual Acuity, and .997 for Total score. Other results included χ2= 9.566 (p = .297), comparative fit index = .998, Tucker-Lewis Index = .996, and root mean square error of approximation = .047. Goodness-of-fit indices support the structural validity of the two-factor model. Conclusion: The Turkish version of the LVIM-R is a valid and reliable assessment tool for occupational therapy practice in low vision rehabilitation.