Role of MRI in Posterior ischemic optic neuropathy (PION)
PION is a rare cause of visual loss, patients mostly presenting with sudden onset of blurred vision, dyschromatopsia, pain and positive relative afferent defect (RAPD). The diagnosis of PION is usually a diagnosis of exclusion, however, the emergence of modern neuroimaging technique with diffuse weighted image (DWI) and apparent diffusion coefficient (ADC) sequences in […]