In this video, you will learn how to perform the spontaneous nystagmus test, which should be the first test in your videonystagmography (VNG) test battery.
The spontaneous nystagmus test forms part of the ocular motor sub-tests within the VNG test battery.
There are three clear reasons for performing this test.
The first is that a recorded spontaneous nystagmus can be a strong indicator for a vestibular lesion. The strength and direction of nystagmus can help localize this lesion.
The second is to record any underlying eye movements that might be picked up during subsequent tests. By knowing what these eye movements are, we can correct for them in the other tests.
The final reason is that by adding a fixation target in the goggle, we can have a gross estimation of central involvement. If there is spontaneous nystagmus and this is not suppressed by the fixation light, then there may be central involvement that needs further investigation.
How to perform spontaneous nystagmus testing is detailed and demonstrated in this video.
railCourse details
- Format: Reading
- Clinical area: Balance
