Meaning of mydriasis

my•dri•a•sis

Pronunciation: (mi-drī'u-sis, mī-), [key]
— n. Med.
  1. excessive dilatation of the pupil of the eye, as the result of disease, drugs, or the like. Cf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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