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Videonystagmography (VNG)

NeuroEquilibrium VNG is a highly advanced, non-invasive tool designed to evaluate the vestibular system and oculomotor systems. This advanced technology allows for precise observation, measurement, and analysis of eye movements during various oculomotor and vestibular tests, making it an essential VNG test for diagnosing balance-related disorders like vertigo.

A man adjusts a tool like VR on his head, preparing for an Craniocorpography
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Evaluation Protocols:

NeuroEquilibrium VNG assesses peripheral and central vestibular functions through:

  •  Spontaneous Nystagmus: with and without optic fixation.
  • Gaze Evoked Nystagmus
  • Saccades: fixed and random.
  • Smooth Tracking: with varying frequencies.
  • Hyperventilation test
  • Valsalva test
  • Positional tests
  • Caloric test
  • Head shaking test
  • Skew Deviation test

These diagnostic tests are integral to Vertigo Diagnosis, helping doctors to identify the root causes of vertigo and balance disorders.

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Benefits

  • Accurate Diagnosis: High-quality eye tracking and recording allow better evaluation of oculomotor and vestibular function, essential for a reliable Videonystagmography test.
  • Non-Invasive: Ensures patient comfort during evaluation as high-resolution infrared cameras are used, making the VNG test a comfortable option for vertigo diagnosis.
  • Noise Reduction: Eliminates myogenic and electrical noise, enhancing reliability.
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Product Specifications

  • Real-Time Analysis: Provides real-time recordings of all parameters during the VNG test.
  • Advanced Video Playback: Supports comprehensive review of data for accurate vertigo diagnosis.
  • Superior Oculomotor Stimuli: Helps in the precise evaluation of both the vestibular system and eye movements.
  • Noise Reduction: Eliminates myogenic and electrical noise, enhancing the reliability of results for vertigo diagnosis.
  • Intelligent Software

Design Features

  • User-Friendly Binocular Goggles: User-Friendly Binocular Goggles
  • Lightweight Design: Direct USB connection to a laptop or desktop.
  • Magnetic Cover:  Allows for occluded and non-occluded measurements.
  • Advanced Eye Tracking Algorithm: Eliminates errors caused by blinking.

For doctors and patients, NeuroEquilibrium VNG represents a state-of-the-art solution for diagnosing and understanding vertigo and related disorders.

Frequently Asked Questions

What is a VNG test used to diagnose?

A VNG (Videonystagmography) test is used to diagnose balance and dizziness disorders related to the inner ear and brain. It records eye movements to assess how well the vestibular system is functioning. The test helps identify conditions like benign positional vertigo, vestibular neuritis, and other causes of unexplained dizziness, and is commonly performed at specialized centers such as Neuroequillibrium.

A VNG test is not painful. It involves wearing goggles that track eye movements while you follow visual targets or experience gentle changes in head position. Some parts of the test may briefly cause dizziness or nausea, but this usually settles quickly. The procedure is non-invasive, safe, and generally well tolerated by most patients.

The cost of a VNG test can vary depending on the clinic, location, and the level of evaluation included. In India, it typically ranges from a few thousand to several thousand rupees. Advanced balance centers like Neuroequillibrium may include detailed analysis and expert interpretation, which adds value by ensuring a precise diagnosis and appropriate treatment planning.

A VNG test can support the diagnosis of Meniere’s disease by identifying abnormal vestibular function in the affected ear. While it does not diagnose Meniere’s disease on its own, the results help doctors understand balance deficits when combined with hearing tests, symptom history, and clinical findings, leading to a more accurate overall assessment.

Two common signs of Meniere’s disease are recurring episodes of vertigo and fluctuating hearing loss, usually in one ear. These symptoms may be accompanied by a feeling of ear fullness or pressure. Vertigo attacks can last from minutes to hours and often disrupt daily activities, making early evaluation important for proper management.

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