This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Ophthalmology
[{'content': 'Lesion in left optic tract manifest as \nSelect and explain. \nA. Left unilateral blindness, B. Left bilateral hemianopia, C. Left homonymous hemianopia, D. Right homonymous hemianopia', 'role': 'user'}, {'content': "Answer: D \nExplanation: (D) Right homonymous hemianopia # Lesions of optic tract: These are characterized by incongrous homonymous hemianopia associated with contralateral hemianopic pupillary reaction (Wernicke's reaction).> These lesions usually lead to partial descending opitic atrophy and may be associated with contralateral third nerve paralysis and ipsilateral hemiplegia.> Common causes of optic tract lesions are syphilitic meningitis or gumma, tuberculosis and tumours of optic thalamus and aneurysms of superior cerebellar or posterior cerebral arteries.", 'role': 'assistant'}]