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tadpole-shaped pupil


Definition: an intermittent, brief distortion and dilation of a pupil that draws one part of the iris into a peak so that the pupil resembles a tadpole; a temporary, benign condition associated with migraine that may leave the patient with Horner syndrome.

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.