This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pupillary Reflexes and their Abnormalities, Subject name: Ophthalmology
[{'content': "Anhydrosis and ptosis seen in - \nSelect and explain. \nA. Horner's Syndrome, B. Buphthalmos, C. USHER Syndrome, D. Paralysis of cranial nerve VI", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Horner's Syndrome o Horner's syndrome consists of a classical triad of ipsilateral: i) Ptosis ii) Miosis (hence anisocoria) iii) Anhydrosis (Loss of sweating) o Other features are : # Loss of ciliospinal reflex, Enophthalmos. # Heterochromia (ipsilateral iris is of light color), the pupil is slow to dilate, slight elevation of the inferior eyelid, normal pupillary reflex.", 'role': 'assistant'}]