Giant cell arteritis (GCA) is a systemic vasculitis with a myriad of ocular manifestations such as Anterior Ischaemic Optic Neuropathy (AION). Central Retinal Artery Occlusion (CRAO). choroidal infarction. occipital lobe infarction and ocular motor nerve palsies. https://www.getpureroutine.com/