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': 'Perforated corneal ulcer gives rise to:September 2012 \nSelect and explain. \nA. Anterior capsular cataract, B. Posterior subcapsular cataract, C. Vossius ring, D. Rosette shaped cataract', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A i.e. Anterior capsular cataract', 'role': 'assistant'}]