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Related Experiment Video

Updated: May 27, 2026

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition
07:45

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Published on: July 21, 2020

Visual dependence and BPPV.

K Agarwal1, A M Bronstein, M E Faldon

  • 1Neuro-Otology Unit, Division of Experimental Medicine, Centre of Neuroscience, Charing Cross Hospital, Imperial College London, London W6 8RF, UK.

Journal of Neurology
|November 25, 2011
PubMed
Summary
This summary is machine-generated.

A single vertigo attack from benign paroxysmal positional vertigo (BPPV) does not increase visual dependency. However, long-term vestibular issues do, and some BPPV patients may have underlying vestibular migraine.

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Area of Science:

  • Neuroscience
  • Ophthalmology
  • Vestibular System Disorders

Background:

  • Increased visual dependence is often observed in patients experiencing vertigo.
  • The impact of a single, brief vertigo episode on visual dependency requires further investigation.

Purpose of the Study:

  • To determine if a single vertigo attack, specifically benign paroxysmal positional vertigo (BPPV), alters visual dependency.
  • To differentiate visual dependency changes in patients with active BPPV versus those with a history of BPPV but no current symptoms.

Main Methods:

  • Visual dependency was assessed using Rod and Frame, Rod and Disc tests, and postural sway during visual stimulation.
  • Measurements were taken before and after the Hallpike manoeuvre in three groups: BPPV patients (PosH), BPPV history patients (NegH), and normal controls.
  • The situational characteristics questionnaire was used to assess 'visual vertigo' symptoms.

Main Results:

  • Both BPPV patient groups exhibited enhanced visual dependency.
  • Patients with a positive Hallpike (PosH) and normal controls showed decreased visual dependency after the manoeuvre.
  • NegH patients maintained high visual dependency, reported more 'visual vertigo' symptoms, and had a higher incidence of migraine.

Conclusions:

  • Long-term vestibular symptoms increase visual dependence; a single BPPV attack does not exacerbate it.
  • Repetitive visual motion stimulation leads to adaptation in visual dependency for BPPV patients.
  • Vestibular migraine may explain persistent, non-adaptive visual dependency in some NegH patients, potentially linking to visuo-vestibular symptoms.