1 Department of Neurosurgery, CHU de Caen, Caen, France. Electronic address: rault-f@chu-caen.fr.
2 Department of Neurology, CHU de Caen, Caen, France.
3 Department of Interventional Neuroradiology, CHU de Caen, Caen, France.
4 Ophthalmology, CHU de Caen, Caen, France.
5 Department of Neurosurgery, CHU de Caen, Caen, France; INSERM, U1237, PhIND "Physiopathology and Imaging of Neurological Disorders", Institut Blood and Brain @ Caen-Normandie, Cyceron, 14000 Caen, France.