Fig. 3From: Sudden vision loss and neurological deficits after facial hyaluronic acid filler injectionMRI of the brain 1.5 weeks after the HA filler injection. Coronal (a) and axial (b) diffusion weighted imaging (DWI) b = 1000 images and corresponding apparent diffusion coefficient (ADC) maps (c, d) highlighting more pronounced signal changes in the left optic nerveBack to article page