This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Homonymous hemianopia type of visual field defect is seen in all except ? 
Select and explain. 
A. Lateral geniculate body, B. Total optic radiation, C. Optic tract, D. Optic chaisma
D: Optic chaisma
Answer: D: Optic chaisma 
Explanation: Ans. is 'd' i.e., Optic chaisma