This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Shortest acting Mydriatic and Cycloplegic is 
Select and explain. 
A. Atropine, B. Phenylephrine, C. Tropicamide, D. Homatropine
C: Tropicamide
Answer: C: Tropicamide 
Explanation: Shortest acting Mydriatic and Cycloplegic is Tropicamide.
Phenylephrine is only mydriatic with no cycloplegic property.