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What is Choose the appropriate lettered structure in this angiogram of the cerebral vasculature and collateral circulations are discounted. Aneurysm of which artery causes a perichiasmal lesion that may cause nasal hemianopia? and explain in detail?
(d) Nasal hemianopia is blindness in the nasal field of vision of the eye because of a perichiasmal lesion such as an aneurysm of the internal carotid artery.