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: Surgery
The degree of diplopia in maxillofacial trauma can accurately recorded by: 
Select and explain. 
A. Glassgow scale., B. Hess chart., C. Force duction test., D. None.
B: Hess chart.
Answer: B: Hess chart. 
Explanation: None