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': "Fasanella Servan operation is specifically indicated in: \nSelect and explain. \nA. Congenital ptosis, B. Steroid induced ptosis, C. Myasthenia gravis, D. Homer's syndrome", 'role': 'user'}, {'content': "Answer: D \nExplanation: D i.e. Horner's Syndrome Fasanella servat procedure is indicated in ptosis due to Horner's syndrome Q Frontalis suspension is indicated in Marcus Gunn jaw winking syndrome, blepharophimosis syndrome, total 3rd nerve palsy, aberrant regeneration of 3rd nerve.", 'role': 'assistant'}]