Causes of anterior ischemic optic neuropathy:IdiopathicGiant cell arteritisPapilloedemaMigraineMalignant hypertensionHypertension is a known cause of papilloedema. Hemorrhage in the vitreous is caused by hypertensionTherefore by exclusion the answer is occipital infarctsFurther the article states that occipital infarcts are different from other infarcts because their etiology is also different and hypertension is not a usual cause">