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Relationship between vision impairment and ability to perform activities of daily living

Haymes, Sharon A., Johnston, Alan W. and Heyes, Anthony D. 2002, Relationship between vision impairment and ability to perform activities of daily living, Ophthalmic and physiological optics, vol. 22, no. 2, pp. 79-91, doi: 10.1046/j.1475-1313.2002.00016.x.

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Title Relationship between vision impairment and ability to perform activities of daily living
Author(s) Haymes, Sharon A.
Johnston, Alan W.
Heyes, Anthony D.
Journal name Ophthalmic and physiological optics
Volume number 22
Issue number 2
Start page 79
End page 91
Total pages 13
Publisher Wiley - Blackwell Publishing
Place of publication Oxford, England
Publication date 2002-03
ISSN 0275-5408
1475-1313
Keyword(s) activities of daily living
disability
functional assessment
low vision
Summary Purpose: To determine the relationship between clinical measures of vision impairment and the ability to perform activities of daily living (ADLs).

Methods: One hundred and twenty subjects with low vision from a variety of causes participated in the study. Vision impairment was assessed under binocular conditions by measuring distance visual acuity, near word acuity, Melbourne Edge Test contrast sensitivity, Pelli–Robson Chart contrast sensitivity and visual fields. The ADL performance was assessed using the Melbourne Low Vision ADL Index (MLVAI), which is in part an observed performance assessment of instrumental ADLs and in part a self-report assessment of basic self-care ADLs.

Results: All vision measures had a high, statistically significant correlation with MLVAI total score. Near word acuity, had the strongest correlation (rs=−0.86, p < 0.001), followed by Melbourne Edge Test contrast sensitivity (rs=0.80, p < 0.001). Visual field had the weakest correlation (rs=0.56, p < 0.001). Together, age, near word acuity, Melbourne Edge Test contrast sensitivity and visual field accounted for 82.2% (adjusted R2, p < 0.001) of the variance in MLVAI total score. All correlations obtained were higher for the observed performance assessment of instrumental ADLs than for the self-report assessment of basic self-care ADLs.

Conclusions: Clinical vision impairment measures are highly correlated with capacity to perform ADLs, as measured by the MLVAI.
Language eng
DOI 10.1046/j.1475-1313.2002.00016.x
Field of Research 119999 Medical and Health Sciences not elsewhere classified
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2002, The College of Optometrists
Persistent URL http://hdl.handle.net/10536/DRO/DU:30047569

Document type: Journal Article
Collection: School of Medicine
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