What’s Bearish Nystagmus?

Downbeat nystagmus is an abnormal eye movement caused by a lesion in the cerebellum, often due to structural problems such as an Arnold-Chiari malformation or tumors. Other causes include head injuries, medication, and poor diet. Treatment options include medication, glasses with prisms, and surgery. Downbeat nystagmus is an abnormal eye movement pattern characterized by a […]

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