Patients with complaints of dizziness and balance problems will be included in the study. Inclusion criteria for the study are; being between the ages of 12-85, having a diagnosis of peripheral vestibular hypofunction. Exclusion criteria from the study are; not being able to communicate, having a diagnosis of central vestibulopathy and having mental disorders. Demographic information form, vestibular tests, balance tests will be used in the evaluation. The demographic information form includes demographic information (name, surname, gender, smoking, alcohol use, etc.) and clinical conditions (past illnesses and/or surgeries, medications used, whether there is a history of falls, if any, frequency, whether they are afraid of heights and uncomfortable in the dark, etc.). The patients will be diagnosed with videonystagmography (VNG) after the decision of the ENT physician, and the degree of hypofunction will be recorded. Vestibular and balance tests will be applied to the patients in a clinical setting. At the end of the study, it will be examined whether there is a relationship between the degree of vestibular hypofunction and the vestibular tests applied in the clinic.