Balance is the ability to control and maintain the body's center of gravity within the support area. One of the important causes of imbalance is right or left sided unilateral vestibular hypofunction. Chronic vestibular hypofunction describes the loss of unilateral peripheral vestibular function lasting more than 3 months. VES is an important method for replacing the sensory afferents lost in the sudden onset of unilateral vestibular hypofunction and for the correct processing of information in the balance center. Regarding the mechanism of action of Vestibular Electrical Stimulation (VES), it is suggested that it generally affects the auditory system at various levels. Study aimed which was planned as a prospective, randomized, single-blind and single-center study, was conducted between 1 September 2022 and 1 July 2023, to Istanbul University, Istanbul Faculty of Medicine, Department of Physical Medicine and Rehabilitation, Vertigo Rehabilitation Outpatient Clinic with chronic vestibular hypofunction and the inclusion criteria. It was planned to include at least 100 matching patients. Participants who meet the inclusion criteria will be randomized into two groups by computer program after they are numbered according to the order of application. VES and exercise therapy will be applied by wearing pinhole glasses to 50 participants selected to Group 1 (G1-Experimental group). VES and exercise therapy without wearing pinhole glasses in 50 participants selected in Group 2 (G2-Control group) will be applied. Before and after the treatment, the severity of dizziness due to vestibular hypofunction, their emotional state, functionality and physical state and balance status will be evaluated. Dizziness severity will be evaluated with a visual analog scale, and emotional status, functionality and physical condition will be evaluated with the Dizziness Disability Inventory (DHI). Balance status will be determined by Tandem Gait Test, Timed Up and Go Test and Berg Balance Test. Evaluations will be made before treatment, at 1 month of treatment, and at 3 months of treatment (1 month after the end of treatment) by another study blind to treatment. With the data provided as a result of the research, it has contributed to both our country and the world literature, besides vestibular electrical stimulation, which can be used in the treatment of vestibular hypofunction, we will draw attention to the effectiveness of the use of pinhole glasses.
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Change in Dizziness Handicap Inventory (DHI)
Timeframe: Evaluation will be done at baseline (before treatment), at the 1st month and at the 3rd month of the treatment
Change in Dizziness Severity Evaluated by Visual Analog Scale
Timeframe: Evaluation will be done at baseline (before treatment), at the 1st month and at the 3rd month of the treatment