A Case Report of See-saw Nystagmus Presumed to be Caused by Head Trauma

ABSTRACT

See-saw nystagmus is a unique torsional vertical eye movement disorder with a characteristic appearance. It is a pendular nystagmus with two distinct components: a conjugate torsional component and a disjunctive vertical component. It is most often associated with suprasellar or chiasmal lesions, especially with the lesion of interstitial nucleus of Cajal. In this report, the author present a 45-year-old man with seesaw nystagmus presumed to be associated with head trauma. He also has bilateral optic nerve atrophy and encephalomalacia of frontal and temporal lobe.