Pharmacology Which of the following drug possess similar cycloplegic action and is more potent mydriatic than atropine is: A Hyoscine. B Tropicamide. C Homatropine. D All of the above. 💡 Explanation Which of the following drug possess similar cycloplegic action and is more potent mydriatic than atropine is: ✓ Correct Answer: A. Hyoscine.