[Paralytic and non-paralytic pontine exotropia]

Paralytic pontine exotropia is a form of the one-and-a half syndrome of Fisher, in which an acute lesion of the paramedian pontine reticular formation (PPRF) is present. We compared such a case with a case of pontine exotropia without lateral gaze palsy, but in which the alteration of the ipsilateral saccades suggested a partial lesion of the PPRF. We suggest to call this oculomotor disturbance "non paralytic pontine exotropia".