“…Although two SLE patients may have the same neurological symptom, findings at autopsy may be quite different. For example, visual defects may result from any of a number of causes, including retinal vascular lesions [7,51,52], central retinal arterial [7,31] or venous occlusion [66], or ischaemia of visual pathways posterior to the optic chiasm and of the occipital cortex [15]. On the other hand, visual defects may be secondary to optic neuritis, where demyelination of the optic nerve may occur [2,46,69].…”