Perioperative visual loss (POVL) is a rare. serious complication of non-ophthalmic surgeries. Ischemic optic neuropathy (ION). and retinal arterial occlusion (RAO) are the main causes (1. https://www.bekindtopets.com/super-save-Vetscan-Flex-4-Rapid-Test-25-ct-super-buy/