Down-beat nystagmus.
D000293:Adolescent; D000328:Adult; D001139:Arnold-Chiari Malformation / Q000175:diagnosis; D001927:Brain Diseases / Q000175:diagnosis; D001933:Brain Stem; D014695:Cerebral Ventriculography; D005260:Female; D005684:Gait; D006801:Humans; D008297:Male; D008875:Middle Aged; D009759:Nystagmus, Pathologic / Q000150:complications / Q000175:diagnosis*; D010985:Platybasia / Q000175:diagnosis; D012886:Skull / Q000000981:diagnostic imaging; D014717:Vertigo; D014786:Vision Disorders / Q000209:etiology