This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Anatomy
Visual loss due to cerebral degeneration is related to which aery? 
Select and explain. 
A. Posterior cerebral aery, B. Middle cerebral aery, C. Internal carotid aery, D. Inferior cerebral aery
A: Posterior cerebral aery
Answer: A: Posterior cerebral aery 
Explanation: Visual field defects in occipital lobe lesions include: Congruous homonymous hemianopia (usually sparing the macula) is a feature of occlusion of posterior cerebral aery supplying the anterior pa of visual coex.