Contents
WEBINO (wall-eyed bilateral internuclear ophthalmoplegia) syndrome is a rare clinical syndrome of exotropia with bilateral INO associated with the loss of fusional vergence.
- Previously reported in only 2 patients with progressive supranuclear palsy (PSP)
Aetiology
It is usually caused by demyelination or ischaemic damage to the medial longitudinal fasciculus and medial rectus subnucleus of the oculomotor nerve
Clinical features
- Wall-eyed gaze impairment (bilateral adduction impairment)
- Nystagmus of the abducting eye
- Primary gaze exotropia
