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: Pharmacology
Atropine is substituted by phenylephrine to facilitate fundus examination when: 
Select and explain. 
A. Mydriasis is required without cycloplegia, B. Cycloplegia is required, C. Mydriasis and cycloplegia both are required, D. Cycloplegia and Mydriasis both are not required
A: Mydriasis is required without cycloplegia
Answer: A: Mydriasis is required without cycloplegia 
Explanation: None