This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2019, Subject name: ENT
[{'content': 'A patient presented after A with left sided epistaxis & diplopia. On performing CT scan following finding is noted. What would be the cause for Diplopia? \nSelect and explain. \nA. Fracture zygoma, B. Blow out fracture, C. Lefo fracture, D. Fracture ethmoid bone', 'role': 'user'}, {'content': "Answer: B \nExplanation: Tear drop sign: -On Water's view radiograph, polypoid mass can be observed hanging from the floor into the maxillary antrum - Seen in the Blowout fracture of the orbit. Blowout fracture of the orbit: -The Diplopia is due to Inferior Rectus muscle entrapment. - Forced duction test is done to differentiate.", 'role': 'assistant'}]