Jennifer Elgin, Gerald McGwin, Joanne M. Wood, Michael S. Vaphiades, Ronald A. Braswell, Dawn K. DeCarlo, Lanning B. Kline, Cynthia Owsley; Evaluation of On-Road Driving in People With Hemianopia and Quadrantanopia. Am J Occup Ther 2010;64(2):268-278. doi: 10.5014/ajot.64.2.268.
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© 2018 American Occupational Therapy Association
OBJECTIVE. To examine whether some drivers with hemianopia or quadrantanopia display safe driving skills on the road compared with drivers with normal visual fields.
METHOD. An occupational therapist evaluated 22 people with hemianopia, 8 with quadrantanopia, and 30 with normal vision for driving skills during naturalistic driving using six rating scales.
RESULTS. Of drivers with normal vision, >90% drove flawlessly or had minor errors. Although drivers with hemianopia were more likely to receive poorer ratings for all skills, 59.1%–81.8% performed with no or minor errors. A skill commonly problematic for them was lane keeping (40.9%). Of 8 drivers with quadrantanopia, 7 (87.5%) exhibited no or minor errors.
CONCLUSION. This study of people with hemianopia or quadrantanopia with no lateral spatial neglect highlights the need to provide individual opportunities for on-road driving evaluation under natural traffic conditions if a person is motivated to return to driving after brain injury.
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