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
[{'content': 'Exotropia occurs due to \nSelect and explain. \nA. Third nerve palsy, B. Optic neuritis, C. Abducens injury, D. Papilloedema', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer- A. Third nerve palsyCauses and associations ofexotropia (Divegent squint)Third nerve palsyCongenitalPrevious strabismus surgeryThyroidophthalmopathyIatrogenic trauma following retinal detachment surgery', 'role': 'assistant'}]