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
Significant loss of vision in a patient with hypertension can occur due to all of the following, except - 
Select and explain. 
A. Occipital infarct, B. Anterior ischemic optic neuropathy, C. Papilloedema, D. Retinal hemorrhage
C: Papilloedema
Answer: C: Papilloedema 
Explanation: Papilloedema causes gradual loss of vision.