Bilateral vestibular hypofunction
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Clinic
- BVH produces a variety of clinical problems including
- Impaired balance control
- Inability to maintain stable blood pressure during postural changes
- Difficulty in visual targeting of images
- Disturbances in spatial memory and navigational performance
The cardinal symptoms are
- Motion-dependent postural vertigo
- Vestibulospinal functional impairment: Unsteady gait and stance, particularly in darkness and on uneven ground
- Oscillopsia
- Impaired vestibulo-ocular reflex: Blurred vision when walking or moving the head
- Cognitive (navigation) problems.