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
False about anterior Ischeamic optic neuropathy 
Select and explain. 
A. Results from the Occlusion of short anterior ciliary arteries, B. Two forms arteritic and non arteritic, C. Characterized by inferior altitudinal hemianopic field defects, D. All the above
A: Results from the Occlusion of short anterior ciliary arteries
Answer: A: Results from the Occlusion of short anterior ciliary arteries 
Explanation: Due to occlusion of short posterior ciliary arteries.