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H. Wei, J. Myers, L. J. Katz, S. Wizov, M. Steele, G. L. Spaeth; A Practical, Clinically-Useful Way to Evaluate Ability to Perform Visually-Related Activities of Daily Living. Invest. Ophthalmol. Vis. Sci. 2010;51(13):184.
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To develop a performance-based measure that is a practical, clinically-useful way of evaluating the ability to perform visually related activities of daily living.
118 Patients with glaucoma, but without other ocular morbidity, completed a nine-item performance-based test (Assessment of Ability related to Vision -AARV) of visually related activities of daily living (modified from the validated ADREV[1-3]). All patients also completed clinical tests, including visual acuity, monocular and binocular visual fields, contrast sensitivity, stereopsis and the National Eye Institute’s Visual Functioning Questionnaire (NEI VFQ-25). AARV test includes: 1, Matching socks; 2, Recognizing facial expression; 3, Placing a stick into different sized holes; 4, Reading in reduced illumination; 5, Finding boxes; 6, Walking an obstacle course; 7, Detecting motion; 8, Telephoning; and 9, Recognizing street signs. Various combinations of 2, 3 or 4 of the separate items were analyzed to determine if the value of the full 9-item test would be adequately preserved in the compressed forms. Pearson correlation coefficients were employed to determine the correlation between the compressed data and the full data.
Several different combinations of two, three or four-item scores were significantly related to the total nine-item AARV score. (Table.1) The time required to perform these tests ranged from 4 to 13 minutes.
Compressed forms of a comprehensive performance-based measure have sufficiently high correlations with the full 9-item test. The time required to complete these tests should allow them to be clinically useful.
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