Fig. 1
Diagnostic imaging and perimetry. a Computed tomography of head and neck (axial view) showing a mural irregularity in the V2 segment of the left (arrow) vertebral artery compared to the right. b Sagittal reformat showing the change in caliber of the lumen of the left vertebral artery (arrow). c Diffusion weighted (B1000) magnetic resonance image demonstrating the focal cortical infarct in the right occipital lobe (arrow). d Goldmann visual field showing no evidence of homonymous field defect