Botox injection, Transcranial Doppler test, Telestroke, Stroke, Transient ischemic attack, Optic neuritis, Myelin oligo...dendrocyte glycoprotein antibody-associated disease, Cerebrovascular disease, Carotid artery disease, Moyamoya disease, Double vision, Vascular dementia, Cerebral amyloid angiopathy, Fibromuscular dysplasia, Retinal vein occlusion, CNS vasculitis, Spinal cord infarction