Neurological Impact of Wallenberg Syndrome on the Visual-Vestibular Systems

Purpose: This case discusses the neurological impact of Wallenberg syndrome on the visual-vestibular system and provides a clinical pathologic correlation between neuro-anatomic involvements with the manifesting symptoms. Case Report: A 50-year-old male presented for consultation following a left lateral medullary infarct occlusion of the left vertebral artery (Wallenberg syndrome) with complaints of intermittent binocular diplopia, vertigo, and oscillopsia. Assessment revealed an intermittent central nystagmus, a right skew deviation, and a left Horner’s syndrome. Video recordings of the nystagmus and ocular motor responses were documented. Conclusion: Wallenberg syndrome has very defined characteristics which can be used clinically to make a definitive diagnosis.It is important for eye care professionals to understand the neuro-anatomic involvements associated with this condition and make the clinical correlation to aid in the treatment and management of these patients.