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
The most common lid sign associated with Grave's ophthalmopathy is 
Select and explain. 
A. Von Graefe's sign, B. Dalrymple's sign, C. Stellwag's sign, D. Rosenbach's sign
B: Dalrymple's sign
Answer: B: Dalrymple's sign 
Explanation: Ans. Dalrymple's sign