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
[{'content': 'Miotics are indicated in the treatment of which type of squint ? \nSelect and explain. \nA. Divergent squint, B. Convergent squint, C. Paralytic squint, D. All', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Miotics (ecthiopate 0.125%) can be used for accommodative esotropia (convergent squints). Formation of iris cysts due to echothiopate can be prevented by using phenylephrine 2.5% drops.', 'role': 'assistant'}]