central (malignant) positional nystagmus
Last reviewed 09/2023
In central positional nystagmus, a coarse, variable and non-fatiguable nystagmus is set up when the head is placed in a certain position. There is no latent period before the nystagmus begins.
The condition occurs with:
- tumours of the posterior cranial fossa or midbrain
- multiple sclerosis
- vascular lesions