<prompt> Visual loss due to cerebral degeneration is related to which aery?Posterior cerebral aeryMiddle cerebral aeryInternal carotid aeryInferior cerebral aery  <response>: 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. 