Is Phenylephrine a Cycloplegic? Understanding Its True Pharmacological Role
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5 min read
Phenylephrine hydrochloride has been used for over 70 years to dilate the pupil for various ocular procedures [1.2.2]. This widespread use often leads to a critical question: Is phenylephrine a cycloplegic? The definitive answer is no; phenylephrine is a mydriatic agent that produces pupil dilation without inducing cycloplegia [1.2.1, 1.2.4].
