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Assessing Older Adults' Functional Visual Performance Using the Performance Quality Rating Scale.

Debbie Boey1,2, Tamara Tse1, Kerry Fitzmaurice1

  • 1La Trobe University, Melbourne, Victoria, Australia.

OTJR : Occupation, Participation and Health
|December 30, 2023
PubMed
Summary

A new tool, the Performance Quality Rating Scale (PQRS), effectively assesses functional vision in older adults. This observational assessment is feasible and reliable for guiding vision rehabilitation.

Keywords:
activities of daily livingassessmentolder adults

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Area of Science:

  • Gerontology
  • Ophthalmology
  • Rehabilitation Science

Background:

  • Visual impairment significantly affects older adults' daily activities.
  • Quantifying functional vision loss is crucial for effective rehabilitation strategies.

Purpose of the Study:

  • To develop an observational assessment tool, the Performance Quality Rating Scale (PQRS), for evaluating functional visual performance in older adults.
  • To test the feasibility and inter-rater reliability of the PQRS in a pilot study of older adults with visual impairment.

Main Methods:

  • Twenty older adults with vision loss participated in the study.
  • Participants performed seven standardized activities, with their performance videoed.
  • Two independent raters assessed the videos using the developed PQRS with specific operational definitions.

Main Results:

  • The PQRS was successfully applied to 90% of the videoed activities.
  • Substantial inter-rater agreement was achieved for all assessed activities (weighted Kappa = 0.71).
  • The assessment demonstrated feasibility in an outpatient setting.

Conclusions:

  • The developed PQRS is a feasible and reliable tool for assessing functional vision in older adults.
  • The PQRS shows promise for objective measurement in clinical and research settings.
  • This tool can aid in tailoring rehabilitation interventions for individuals with visual impairment.