This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuro-Ophthalmology, Subject name: Ophthalmology
FigureWhere is a lesion that produces the visual field defect shown in below ? 
Select and explain. 
A. Right temporal lobe, B. Right parietal lobe, C. Right optic tract, D. Right optic nerve
A: Right temporal lobe
Answer: A: Right temporal lobe 
Explanation: below Figure A homonymous visual field defect is caused by a lesion posterior to the chiasm The homonymous left superotemporal quadrantanopia inis caused by injury to the inferior fibers that must detour through the temporal lobe to avoid the ventricles (Meyer loop).A lesion in the right optic tract would cause a similar defect but would be associated with a left APD and bilateral optic atrophy.