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Clinical Assessment


There are many medical conditions that can have a profound effect on the ability of a driver to safely operate the vehicle. The appropriate treatment of these conditions has the possibility to significantly reduce the risks of morbidity and mortality associated with motor vehicle crashes.


To provide the research needed for clinicians and patients to make informed choices about medical treatment when maintenance of patient independence with the ability to drive is primary consideration.

Research in the Area

There has been considerable work done in this area at the University of Iowa and the National Advanced Driving Simulator starting in the mid 1990s. The groundbreaking Weiler et al (????) study done at the Iowa Driving Simulator, the precursor to the NADS, showed the power of driving simulation to detect differences in performance based upon how allergies were treated. Research by Bloomfield et al (????) demonstrated the utility of diving simulation for assessing differences in intraocular lenses for treating cataracts. This thread of research has continued over the years to expand to obstructive sleep apnea, cancer drugs, contact lenses, attention deficit hyperactivity disorder and autism/Asperger's. Future work will include increasing the accessibility of driving to teens with Asperger's, developing a model of the effect of changes in visual performance on driving performance.

Long Term Aims

To increase understanding of the risks of medical conditions on driving performance and the trade-offs between treatments in terms of driving risk so that patients can make informed choices.


Clinical Assessment program manager:
Timothy Brown (staff profile)
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