This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Ophthalmology
[{'content': 'A 63-year-old woman presents with c/o of pain in her right eye. On examination the pupil is dilated with a hazy cornea. Most likely diagnosis? \nSelect and explain. \nA. Scleritis, B. Anterior uveitis, C. Conjunctivitis, D. Acute angle closure glaucoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Acute angle closure glaucoma- Severe pain (may be ocular or headache.), decreased visual acuity, patient sees haloes, semi-dilated pupil, hazy cornea', 'role': 'assistant'}]