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': 'Ocular lesions of rubella include all of the following except \nSelect and explain. \nA. Congenital megalocornea, B. Congenital cataract, C. Congenital glaucoma, D. Optic atrophy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Congenital megalocornea', 'role': 'assistant'}]