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Related Concept Videos

The Vestibular System01:29

The Vestibular System

The vestibular system is a set of inner ear structures that provide a sense of balance and spatial orientation. This system is comprised of structures within the labyrinth of the inner ear, including the cochlea and two otolith organs—the utricle and saccule. The labyrinth also contains three semicircular canals—superior, posterior, and horizontal—that are oriented on different planes.

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Related Experiment Video

Updated: Jun 10, 2026

Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm
06:30

Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm

Published on: April 28, 2020

A new dynamic visual acuity test to assess peripheral vestibular function.

Domenic Vital1, Stefan C A Hegemann, Dominik Straumann

  • 1Department of Otorhinolaryngology-Head and Neck Surgery, Zurich University Hospital, Frauenklinikstrasse 24, CH-8091 Zurich, Switzerland.

Archives of Otolaryngology--Head & Neck Surgery
|July 21, 2010
PubMed
Summary
This summary is machine-generated.

A new dynamic visual acuity (DVA) test accurately detects peripheral vestibular dysfunction. This fast and simple method uses adaptive Landolt rings during head impulses, showing high sensitivity and specificity in distinguishing between healthy individuals and those with vestibular loss.

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Related Experiment Videos

Last Updated: Jun 10, 2026

Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm
06:30

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Published on: April 28, 2020

Motion-Acuity Test for Visual Field Acuity Measurement with Motion-Defined Shapes
06:25

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10:12

Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform

Published on: May 23, 2013

Area of Science:

  • Neuroscience
  • Ophthalmology
  • Vestibular System Research

Background:

  • Peripheral vestibular deficits significantly impact balance and vision.
  • Accurate assessment of vestibular function is crucial for diagnosis and management.
  • Existing methods for evaluating dynamic visual acuity (DVA) may have limitations.

Purpose of the Study:

  • To evaluate a novel DVA test utilizing an adaptive algorithm with Landolt rings.
  • To compare the performance of this new DVA test against established search-coil head impulse testing.
  • To assess the test's ability to detect peripheral vestibular deficits.

Main Methods:

  • A prospective study involving 100 healthy individuals and 15 patients with peripheral vestibular loss.
  • Testing included static visual acuity (SVA) and DVA during active and passive horizontal head rotations at high velocities (>100°/s and >150°/s).
  • Quantitative horizontal head impulse testing with scleral search coils served as the reference standard.

Main Results:

  • Passive head impulses at velocities >150°/s were more effective for DVA testing.
  • The DVA test significantly discriminated between patients with bilateral vestibulopathy, unilateral vestibulopathy, and healthy individuals (P < .001).
  • The DVA test demonstrated high diagnostic accuracy: 100% sensitivity, 94% specificity, and 95% overall accuracy.

Conclusions:

  • Adaptive DVA testing with Landolt rings provides a fast and simple method for detecting peripheral vestibular dysfunction.
  • The novel DVA test shows excellent performance comparable to search-coil testing.
  • Visual acuity loss during head impulses increases with age in healthy individuals.