This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
The following ADR is caused by 
Select and explain. 
A. Pilocarpine, B. Apraclonidine, C. Brimonidine, D. Latanoprost
B: Apraclonidine
Answer: B: Apraclonidine 
Explanation: The picture is showing lid retraction which is an ADR of apraclonidine. It is an analogue of clonidine. Ref: KDT 6th ed pg 146-147