title: A 13-year followup of a case of Wallenberg's syndrome: first-person account and ocular motor abnormalities.
abstract: BACKGROUND
  We present a 13-year followup of a case of Wallenberg's syndrome, including a first-person account and ocular motor abnormalities.
  
  
  METHODS
  Objective infrared eye-tracking systems were used to record horizontal and vertical eye movements binocularly under a variety of conditions.
  
  
  RESULTS
  Fixation in the dark along the midline remained as before, with vestibular jerk nystagmus continuously present. While saccades and pursuit to a visual target also remained the same as found earlier, fixation was somewhat worse, revealing not only saccadic intrusions but also a prominent right-jerk nystagmus.
  
  
  CONCLUSIONS
  The results suggest lack of additional oculomotor neural plasticity after the end of the initial 10-year test period, and furthermore reveal apparent subtle age-related changes in oculomotor responsivity.
authors.affiliation: Escuela Universitaria de Optics y Optometria, Universidad de Valladolid, Instituto Universitario de Oftalmobiologia Aplicada, Valladolid, Spain.
authors.forename: Maria
authors.initials: M
authors.lastname: Clavero
authors.forename: Kenneth J
authors.initials: KJ
authors.lastname: Ciuffreda
authors.forename: D Leonard
authors.initials: DL
authors.lastname: Werner
authors.forename: Barry
authors.initials: B
authors.lastname: Tannen
mesh_terms: D005133:Eye Movements / Q000502:physiology; D005403:Fixation, Ocular / Q000502:physiology; D005500:Follow-Up Studies; D006801:Humans; D014854:Lateral Medullary Syndrome / Q000503:physiopathology*; D017120:Nystagmus, Optokinetic / Q000502:physiology; D009759:Nystagmus, Pathologic / Q000503:physiopathology*; D015840:Oculomotor Nerve Diseases / Q000503:physiopathology*; D011698:Pursuit, Smooth / Q000502:physiology; D015348:Vision, Binocular / Q000502:physiology