This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
[{'content': "Dalrymple's sign is seen in- \nSelect and explain. \nA. Thyroid ophthalmopathy, B. Orbital cellulitis, C. Choroidal melanoma, D. Posterior vitreal detachment", 'role': 'user'}, {'content': "Answer: A \nExplanation: *Impoant signs of thyroid ophthalmopathy:- 1)Bilateral exophthalmos 2)Dalrymple's sign 3)Von Graefe's sign 4)Stellwag's sign 5)Mobius's sign 6)Jellinek's sign 7)Joffroy's sign 8)Enroth's sign 9)Grifford's sign Ref: Yanuff & Duker 3rd/e p.786", 'role': 'assistant'}]