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Graefe's Archive for Clinical and Experimental Ophthalmology

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01-11-2011 | Retinal Disorders

Relationship between retinal nerve fiber layer thickness and driving ability in patients with human immunodeficiency virus infection

Authors: Sarah Cheng, Helaina Klein, Dirk-Uwe Bartsch, Igor Kozak, Thomas D. Marcotte, William R. Freeman

Published in: Graefe's Archive for Clinical and Experimental Ophthalmology | Issue 11/2011

Abstract

Background

The aim of this work is to study the possible association between retinal nerve fiber layer (NFL) thickness and driving ability.

Methods

Thirty-eight drivers including 22 HIV-positive (HIV+) and 16 age-matched HIV-negative controls participants underwent a full ophthalmologic evaluation, including assessment of retinal NFL thickness. In the undilated state with standard optical correction and under standard illumination they also completed a computer-based, wide field-of-view driving simulation in which they were to obey traffic laws, engage in crash avoidance, and pass slower automobiles. Crashes, speeding and traffic light tickets, and off-road excursions contributed to a weighted score of driving errors.

Results

HIV-seropositive participants had a significantly higher weighted error score than control participants (18.4 [9.2] vs. 11.1 [4.5], p = 0.006). NFL thickness was significantly correlated with driving errors (r = −0.51, p = 0.025); there was a trend for participants with a CD4 nadir <100 to have more errors than those with a nadir >100 (29.7 [13.2] vs. 19.3 [8.4], p = 0.056). The highest number of driving errors occurred in individuals with both CD4 <100 and NFL thickness <80.

Conclusions

Driving ability may be impacted by reductions in retinal nerve fiber layer thickness. Physicians should consider the potential impact that more complex ophthalmologic conditions in HIV-infected patients may have on driving performance.

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Title: Relationship between retinal nerve fiber layer thickness and driving ability in patients with human immunodeficiency virus infection
Authors: Sarah Cheng
Helaina Klein
Dirk-Uwe Bartsch
Igor Kozak
Thomas D. Marcotte
William R. Freeman
Publication date: 01-11-2011
Publisher: Springer-Verlag
Published in: Graefe's Archive for Clinical and Experimental Ophthalmology / Issue 11/2011
Print ISSN: 0721-832X
Electronic ISSN: 1435-702X
DOI: https://doi.org/10.1007/s00417-011-1735-4

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Relationship between retinal nerve fiber layer thickness and driving ability in patients with human immunodeficiency virus infection

Abstract

Background

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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