This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Squint, Subject name: Ophthalmology
[{'content': 'Which of the following is not seen in superior oblique palsy \nSelect and explain. \nA. Abnormal head posture, B. Facial assymetry, C. Diplopia, D. Ptosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ptosis is seen in 3rd nerve palsy and not superior oblique palsy SUPERIOR OBLIQUE PALSY Superior Oblique action is Intorsion, Depression in adduction, better Intoer on Abduction. Patients complain of diplopia - veical, diagonal or torsional If the principal complaint is torsion - B\\L palsy should be suspected Patient presents with Compensatory head posture Facial Asymmetry Chin down in B\\L palsies', 'role': 'assistant'}]