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The dilated pupil: An update

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Abstract

The dilated pupil can present a significant challenge to the clinician. Although in most cases a complete history and physical examination is sufficient to make an accurate diagnosis, selected patients will require further investigation, including pharmacologic testing and neuroimaging. This review outlines the physiology, clinical features, and diagnostic approach to the most important causes of the dilated pupil. Particular attention is given to recent publications on this topic.

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Authors and Affiliations

  1. Division of Neurology, Department of Medicine, Queen Elizabeth II Health Sciences Centre, 1796 Summer Street, Halifax, NS, B3H 3A7, Canada

    Charles E. Maxner

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  1. Jeremy J. Moeller
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  2. Charles E. Maxner
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Correspondence to Charles E. Maxner.

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Moeller, J.J., Maxner, C.E. The dilated pupil: An update. Curr Neurol Neurosci Rep 7, 417–422 (2007). https://doi.org/10.1007/s11910-007-0064-9

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  • DOI: https://doi.org/10.1007/s11910-007-0064-9

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