"Macroflutter"--a saccadic oscillation.
D000328:Adult; D004584:Electronystagmography; D005133:Eye Movements; D005260:Female; D006801:Humans; D009103:Multiple Sclerosis / Q000150:complications; D009759:Nystagmus, Pathologic / Q000150:complications / Q000175:diagnosis*; D012438:Saccades