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': 'Contraindications of topical steroids are: \nSelect and explain. \nA. Dendritic ulcer, B. Disciform keratitis, C. Anterior uveitis, D. Acute angle-closure glaucoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Dendritic ulcer', 'role': 'assistant'}]