Subjective visual vertical
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Subjective Visual Vertical
From Wikipedia, the free encyclopedia
Subjective Visual Vertical (SVV) is a diagnostic vestibular test to detect abnormal subjective tilt. It investigates the function of utricle in otolith system of inner ear to evaluate the perception of verticality. This test is also called Bucket Test.[1]
Technique and Usage
This test is conducted in a dark room where a patient sits and employs a remotely controlled laser projection line and adjusts it to his perceived horizontal or vertical position.[2] It is used for the following objectives[3]:
- Diagnosis of vestibular disorders
- To assess the effectiveness of vestibular rehabilitation in patients suffering from vertigo
- Assessment of chronic dizziness and other otholithc disorders
- Differentiation between peripheral and central vestibular disorders
References
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- ^ Chetana, Naik; Jayesh, Rane (2014-08-08). "Subjective Visual Vertical in Various Vestibular Disorders by Using a Simple Bucket Test". Indian Journal of Otolaryngology and Head & Neck Surgery. 67 (2): 180–184. doi:10.1007/s12070-014-0760-0. ISSN 2231-3796. PMC 4460102. PMID 26075175.
{{cite journal}}: CS1 maint: PMC format (link) - ^ "Balance And Vestibular Program | Tests and Procedures | Boston Children's Hospital". www.childrenshospital.org. Retrieved 2018-07-11.
- ^ "Subjective Visual Vertical (SVV) Test | NeuroEquilibrium". www.neuroequilibrium.in. Retrieved 2018-07-11.