Assessment of Visual Function in Patients With Age-Related Macular Degeneration and Low Visual Acuity

doi:10.1001/archopht.1988.01060140711040

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Vol. 106 No. 11, November 1988

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Assessment of Visual Function in Patients With Age-Related Macular Degeneration and Low Visual Acuity

Marguerite F. Alexander, RN; Maureen G. Maguire, PhD; Thomas M. Lietman; Judith R. Snyder; Michael J. Elman, MD; Stuart L. Fine, MD

Arch Ophthalmol. 1988;106(11):1543-1547.

Abstract

• The visual function of 100 eyes with low visual acuityof 100 patients with age-related macular degeneration was examinedusing measurements of visual acuity, peak contrast sensitivity,and the ability to read, to tell time, and to distinguish colors,products, and facial expressions. Visual acuity and peak contrastsensitivity were correlated (r =.62); however, a range of peakcontrast sensitivities was observed at each level of acuity.When considered individually, visual acuity and peak contrastsensitivity were related to the ability to perform each of thetasks. When multivariate methods were applied, both visual acuityand peak contrast sensitivity contributed independently to theability to read and tell time. Among patients with the samecontrast sensitivity, visual acuity had little or no relationshipto the ability to identify colors, products, and faces.

Author Affiliations

From the Retinal Vascular Center, The Wilmer Ophthalmological Institute, The Johns Hopkins Medical Institutions, Baltimore.

Footnotes

Accepted for publication Feb 18, 1988.

Reprint requests to Retinal Vascular Center, The Wilmer OphthalmologicalInstitute, The Johns Hopkins Medical Institutions, 600 N WolfeSt, Baltimore, MD 21205 (Dr Fine).

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