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Assessment of Driving Performance in Patients With Retinitis Pigmentosa

Assessment of Driving Performance in Patients With Retinitis Pigmentosa Abstract • The driving performance of 21 subjects with retinitis pigmentosa (RP) and varying degrees of peripheral field loss was compared with the performance of 31 normally sighted control subjects who did not differ statistically from the subjects with RP in age, gender, years of driving experience, or miles driven per year. Driving performance was assessed by selfreported accident frequency and by an evaluation of performance on an interactive driving simulator. A significantly greater proportion of individuals had selfreported accidents in the RP group than in the normal group. Likewise, a significantly greater proportion of subjects with RP than normal subjects had accidents on the driving simulator. Logistic regression analyses indicated that binocular horizontal field extent and binocular field area significantly differentiated between those having no self-reported accidents and those subjects with RP having one or more self-reported accidents. Because the simulator indexes were correlated with visual field measures for the subjects with RP, no additional information was incorporated into the regression model by adding the simulator measures. Therefore, our results indicate that visual field loss is a primary correlate of automotive accidents in individuals with RP. References 1. Szlyk JP, Fishman GA, Master SP, Alexander KR. Peripheral vision screening for driving in retinitis pigmentosa patients . Ophthalmology . 1991;98:612-618.Crossref 2. Johnson CA, Keltner JL. Incidence of visual field loss in 20,000 eyes and its relationship to driving performance . Arch Ophthalmol . 1983;101:371-375.Crossref 3. Fishman GA, Anderson RJ, Stinson L, Haque A. Driving performance of retinitis pigmentosa patients . Br J Ophthalmol . 1981;65:122-126.Crossref 4. Massof RW, Finkelstein D. Two forms of autosomal dominant primary retinitis pigmentosa . Doc Ophthalmol . 1981;51:289-346.Crossref 5. Fishman GA. Retinitis pigmentosa: genetic percentages . Arch Ophthalmol . 1978;96:822-826.Crossref 6. Arditi A. The volume visual field: a basis for functional perimetry . Clin Vis Sci . 1988;3:173-183. 7. Keltner JL, Johnson CA. Visual function, driving safety, and the elderly . Ophthalmology . 1987;94:1180-1188.Crossref 8. Novick MR, Jackson PH. Statistical Methods for Educational and Psychological Research . New York, NY: McGraw-Hill International Book Co; 1974. 9. Ross DF, Fishman GA, Gilbert LD, Anderson RJ. Variability of visual field measurements in normal subjects and patients with retinitis pigmentosa . Arch Ophthalmol . 1984;102:1004-1010.Crossref http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Ophthalmology American Medical Association

Assessment of Driving Performance in Patients With Retinitis Pigmentosa

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References (9)

Publisher
American Medical Association
Copyright
Copyright © 1992 American Medical Association. All Rights Reserved.
ISSN
0003-9950
eISSN
1538-3687
DOI
10.1001/archopht.1992.01080240049027
Publisher site
See Article on Publisher Site

Abstract

Abstract • The driving performance of 21 subjects with retinitis pigmentosa (RP) and varying degrees of peripheral field loss was compared with the performance of 31 normally sighted control subjects who did not differ statistically from the subjects with RP in age, gender, years of driving experience, or miles driven per year. Driving performance was assessed by selfreported accident frequency and by an evaluation of performance on an interactive driving simulator. A significantly greater proportion of individuals had selfreported accidents in the RP group than in the normal group. Likewise, a significantly greater proportion of subjects with RP than normal subjects had accidents on the driving simulator. Logistic regression analyses indicated that binocular horizontal field extent and binocular field area significantly differentiated between those having no self-reported accidents and those subjects with RP having one or more self-reported accidents. Because the simulator indexes were correlated with visual field measures for the subjects with RP, no additional information was incorporated into the regression model by adding the simulator measures. Therefore, our results indicate that visual field loss is a primary correlate of automotive accidents in individuals with RP. References 1. Szlyk JP, Fishman GA, Master SP, Alexander KR. Peripheral vision screening for driving in retinitis pigmentosa patients . Ophthalmology . 1991;98:612-618.Crossref 2. Johnson CA, Keltner JL. Incidence of visual field loss in 20,000 eyes and its relationship to driving performance . Arch Ophthalmol . 1983;101:371-375.Crossref 3. Fishman GA, Anderson RJ, Stinson L, Haque A. Driving performance of retinitis pigmentosa patients . Br J Ophthalmol . 1981;65:122-126.Crossref 4. Massof RW, Finkelstein D. Two forms of autosomal dominant primary retinitis pigmentosa . Doc Ophthalmol . 1981;51:289-346.Crossref 5. Fishman GA. Retinitis pigmentosa: genetic percentages . Arch Ophthalmol . 1978;96:822-826.Crossref 6. Arditi A. The volume visual field: a basis for functional perimetry . Clin Vis Sci . 1988;3:173-183. 7. Keltner JL, Johnson CA. Visual function, driving safety, and the elderly . Ophthalmology . 1987;94:1180-1188.Crossref 8. Novick MR, Jackson PH. Statistical Methods for Educational and Psychological Research . New York, NY: McGraw-Hill International Book Co; 1974. 9. Ross DF, Fishman GA, Gilbert LD, Anderson RJ. Variability of visual field measurements in normal subjects and patients with retinitis pigmentosa . Arch Ophthalmol . 1984;102:1004-1010.Crossref

Journal

Archives of Ophthalmology – American Medical Association

Published: Dec 1, 1992

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