Videonystamography: Why It’s Better Than ENG

In the past, electronystagmography or ENG was the exam doctors used to check for vestibular disorders. These days, videonystagmography is the new standard.


VNG measures eye movements with the use of infrared cameras, while ENG measures the mastoid muscles right around the eyes via electrodes. Both tests are used to document signs or evidence of retinal impairment. Doctors also find it easy to identify disorders involving eye movements and consistent with CNS disease. Any nystagmus can also be identified and documented, along with any types of vestibular impairment.

Why VNG is better

With videonystagmography, healthcare professionals are able to test for inner ear functions with greater accuracy. Videonystagmography makes it easy for patients to relax. The more comfortable and at ease they are, the more accurate as well as consistent their test results will be.

Also, ENG uses electrodes and it takes time to secure these in place. VNG goggles, meanwhile, only take patients a few minutes to put on. The videonystagmography recording system also come with low noise floor and can have entire sessions recorded. With records, professionals can analyze portions of the exam for a more accurate and better diagnosis.

What to expect

Testing is often performed in a dark room or one in low light. Examiners will ask random questions. These are meant to keep you busy and alert. So if you suffer from any vertigo, dizziness or imbalance, go to the nearest doctor and inquire about getting a videonystagmography. That way, you can check if anything is wrong with your inner ear or central motor functions, the Vestibular Disorders Association says.

So don’t try to dismiss that dizziness or vertigo. Have yourself checked out. If there’s anything wrong, a test will pick up the signs and help you seek out proper treatment early on.

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