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Development of a Virtual Reality Assessment of Everyday Living Skills
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Subjective visual vertical assessment with mobile virtual reality system.

Ingrida Ulozienė1, Milda Totilienė1, Andrius Paulauskas2

  • 1Department of Otorhinolaryngology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania.

Medicina (Kaunas, Lithuania)
|March 8, 2018
PubMed
Summary
This summary is machine-generated.

A new mobile virtual reality system accurately measures subjective visual vertical (SVV) for vestibular dysfunction. The gamepad controller was preferred, showing high usability and low dizziness for clinical application.

Keywords:
Subjective visual verticalVestibularVirtual reality

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Area of Science:

  • Neuroscience
  • Vestibular System Research
  • Human-Computer Interaction

Background:

  • Subjective Visual Vertical (SVV) is a key indicator of vestibular function.
  • Clinical adoption of SVV testing is limited by technical and logistical challenges.
  • Virtual reality (VR) offers potential to overcome these limitations.

Purpose of the Study:

  • Develop a mobile VR system for SVV testing.
  • Evaluate controller suitability (gesture armband vs. gamepad).
  • Assess system usability and clinical applicability.

Main Methods:

  • Developed an integrated mobile VR system for static and dynamic SVV tests.
  • Participants used gesture control or gamepad to adjust a virtual arrow.
  • Assessed usability with System Usability Scale (SUS) and dizziness with Visual Analog Scale (VAS).

Main Results:

  • No significant differences in SVV values across conditions or controllers.
  • High usability scores: median 82.5 (gesture) and 95.0 (gamepad).
  • Low median dizziness score (0.7) for both controllers.

Conclusions:

  • The mobile VR system is accurate and clinically applicable for SVV testing.
  • Gamepad control is user-preferred and enhances usability.
  • The system is well-tolerated with minimal induced dizziness.