Bilateral vestibular hypofunction

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.