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paralytic mydriasis


Definition: pupillary dilation due to paralysis of the sphincter muscle of the pupil induced by anticholinergic drugs given topically or systemically, or resulting from lesions of the oculomotor nucleus or nerve, contusion of the eyeball, or glaucoma.

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