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Medical Term:

Tournay phenomenon

Pronunciation: tur-na'

Definition: dilation of the pupil in the abducting eye on extreme lateral gaze. This is present in only a small percentage of the normal population and has no known association with disease.

Synonym(s): Tournay sign

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