Anticholinergic (Mydriatic — eye pupil dilator)
Last reviewed April 2026
Who is this for?
Cyclopentolate hydrochloride is an eye drop that temporarily relaxes the muscles in your eye, causing your pupil (the black part of your eye) to widen and stopping your eye from focusing. It works by blocking certain nerve signals in the eye.
Prescription Required
You need a doctor's prescription to buy this drug.
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