title: Comparison between narrow-angle esocentric and wide-angle egocentric optokinetic nystagmus.
mesh_terms: D000328:Adult; D000368:Aged; D004584:Electronystagmography; D006801:Humans; D008875:Middle Aged; D009103:Multiple Sclerosis / Q000503:physiopathology*; D017120:Nystagmus, Optokinetic / Q000502:physiology*; D010775:Photic Stimulation / Q000379:methods