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- Title
Relationship of retinal structural and clinical vision parameters to driving performance of diabetic retinopathy patients.
- Authors
Szlyk JP; Mahler CL; Seiple W; Vajaranant TS; Blair NP; Shahidi M
- Abstract
This study identifies clinical vision measures or retinal structural measures associated with the driving performance of diabetic retinopathy patients. Twenty-five licensed drivers with diabetic retinopathy (median age, 53 years; range, 34-72 years) completed clinical tests (visual acuity, letter contrast sensitivity, and Humphrey 30-2 visual fields) and structural examinations (retinal thickness analysis and fundus photograph grading of retinopathy and laser scarring). Driving performance was assessed with an interactive driving simulator and a driving history questionnaire. Increased retinal thickness was significantly correlated with a higher frequency of simulator accidents and near accidents. Laser scar grades significantly correlated with steeper brake-response slopes, increased brake-pressure standard deviation (SD), and longer response times. Subjects with focal laser scars had significantly higher average brake-pedal pressure and brake-pressure SD than subjects without focal laser scars. Retinal thickness and laser scarring correlated with driving simulator performance in subjects with diabetic retinopathy.
- Publication
Journal of Rehabilitation Research & Development, 2004, Vol 41, Issue 3A, p347
- ISSN
0748-7711
- Publication type
Journal Article
- DOI
10.1682/jrrd.2003.06.0096