A drug used to dilate the pupil. Adverse effects of the drug include blurred vision, increased sensitivity to light, stinging, and, rarely, dry mouth, flushing, and glaucoma.
n. an *antimuscarinic drug used in the form of eye drops to dilate the pupil so that the inside of the eye can more easily be examined or operated upon.
A group of drugs used to treat uveitis and to dilate the pupil during examination of the inside of the eye and for surgery. Mydriatics work by relaxing the circular muscles of the iris, causing the pupil to dilate. Common mydriatic drugs include tropicamide, cyclopentolate, homatropine, and phenylephrine. (See also cycloplegia; miotic drugs.)... mydriatic drugs
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