Incremental Vestibulo-ocular Reflex Adaptation As a Novel Treatment for Dizziness in People with Multiple Sclerosis

Eligibility Criteria

• * Neurologist-confirmed diagnosis of primary progressive or relapsing and remitting MS per the 2017 Revision of the McDonald Criteria and the Magnetic Resonance Imaging in MS
• * Fluent in speaking and understanding English
• * Have self-reported vestibular symptoms of dizziness, imbalance, and/or a history of at least two falls in the prior 12 months
• * Clinically isolated syndrome or radiologically isolated syndrome.
• * Worsening MS symptoms during the prior 60 days
• * Immunotherapy change in the prior 60 days
• * Self-reported cognitive impairment that limits independence with basic and instrumental activities of daily living
• * Systolic blood pressure \> 180 mmHg and/or diastolic blood pressure \> 90 mmHg at rest
• * Static visual acuity with correction of worse than 1.0 logMAR
• * Manifest ocular misalignment ≥ 5 diopters (e.g., tropia, lazy eye, strabismus}
• * Convergence insufficiency
• * Intra-nuclear ophthalmoplegia
• * Benign paroxysmal positional vertigo
• * Major orthopedic conditions that limit cervical spine range of motion or that alter walking
• * Self-reported current or potential for pregnancy during enrollment
• * Ongoing participation in vestibular rehabilitation for dizziness