ocular motility disease pathologic nystagmus https://www.malacards.org/card/pathologic_nystagmus UMLS:C0028738 ICD9:379.50 MONDO:0004843 Involuntary movements of the eyeballs. The presence or absence of nystagmus is often used in the diagnosis of a variety of neurological and visual disorders. MESH:D009759 DOID:9650 MEDGEN:45166