Ophthalmology An ophthalmologist used a mydriatic for dilating the pupils to facilitate ophthalmoscopy. Which of the following is the shoest acting mydriatic? A Tropicamide B Cyclopentolate C Homatropine D Atropine 💡 Explanation An ophthalmologist used a mydriatic for dilating the pupils to facilitate ophthalmoscopy. Which of the following is the shoest acting mydriatic? ✓ Correct Answer: A. Tropicamide