About this trial
The objective of this study will evaluate the effects of optokinetic training combined with postural stabilization and gaze stability exercises on motion sickness, balance, gaze stability, and quality of life in individuals with vestibular hypofunction.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
• Male and female patients age 20 and 40 years
Passengers who have motion sickness during travelling
Patients of vestibular migraine who experience motion sickness
Participants experiencing vertigo, dizziness or imbalance related to vestibular hypofunction over the past three months
Disqualifiers
• Patients who have seasickness and simulator sickness excluded.
Patients having vestibular disease and chronic neurological disease.
Participants who have completed formal vestibular rehabilitation in last 6 months excluded
Patients with severe visual impairments and orthopedic conditions excluded.
Trial design
Parallel
Treatments tested in this trial
Group A Habituation exercises
Other interventionHabituation exercises five times per week to improve overall wellness and reduce baseline symptoms of motion sickness (38). Each session, lasting approximately 20-25 minutes, involved exercises conducted for 20 minutes per day, five times a week. Each session, lasting approximately 30-45 minutes, included low-intensity breathing exercises aimed at promoting relaxation and moderate-intensity aerobic activities, such as walking or cycling, at 50-60% of the participant's maximum heart rate.
Group B Optokinetic training protocol
Other intervention10-minute warm-up, followed by 20-25 minutes of moderate-intensity optokinetic exercises (viewing controlled moving visual patterns), postural exercises involving controlled head and body movements to engage the vestibular system, and gaze stability exercises, which require focusing on a stationary target during head movements to improve the vestibulo-ocular reflex. The session concluded with a 10-15-minute cool-down to aid relaxation. These sessions continued for 12 weeks
Treatment groups
Trial outcomes
Primary outcomes
Motion sickness susceptibility questionnaire
The Motion Sickness Susceptibility Questionnaire (MSSQ) is a widely used tool that assesses an individual's predisposition to motion sickness in various environments, such as vehicles, amusement rides, and virtual reality.
Berg balance scale
The Berg Balance Scale (BBS) is a reliable clinical tool used to assess balance in individuals, particularly older adults and those with balance impairments. It includes 14 tasks each scored from 0 (cannot perform) to 4 (performs independently). The BBS has a maximum score of 56, and most of the patients show a low fall risk of 41 to 56 scores, medium risk of 21 to 40 scores, and a high risk of 0 to 20 scores.
Dynamic visual acuity test for gaze stability
The Dynamic Visual Acuity (DVA) Test is a widely used clinical test to assess gaze stability, particularly in individuals with vestibular dysfunction. It evaluates a person's ability to maintain clear vision during head movements, which requires stable gaze control. The test involves reading porotype letters or symbols displayed on a screen, first in a stationary position and then while moving the head horizontally and vertically at a standardized speed (usually around 2 Hz)
Head impulse test
The Head Impulse Test (HIT) is a diagnostic tool used to evaluate the function of the vestibulo-ocular reflex (VOR), essential for maintaining gaze stability during rapid head movements. In this test, a clinician rapidly and unpredictably turns the patient's head to the left or right while the patient focuses on a stationary target, typically the clinician's nose. For a healthy VOR, the eyes should remain fixed on the target despite the head movement
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