Thirty seven patients with pendular nystagmus due to multiple sclerosis were reviewed. Most developed nystagmus later in a progressive phase of the disease. All had cerebellar signs on examination and evidence of optic neuropathy. MRI in eight patients showed cerebellar or brainstem lesions in seven; the most consistent finding was a lesion in the dorsal pontine tegmentum. Dissociated nystagmus...

Purpose Most individuals with infantile nystagmus (IN) have an idiosyncratic gaze angle at which their nystagmus intensity is minimized. Some adopt an abnormal head posture to use this "null zone," and it has therefore long been assumed that this provides people with nystagmus with improved visual acuity (VA). However, recent studies suggest that improving the nystagmus waveform could have litt...

Despite incessant to and fro motion of their eyes, persons with congenital nystagmus rarely report illusory motion of the visual world (oscillopsia). To determine whether insensitivity to retinal image motion prevents oscillopsia, thresholds for detecting horizontal and vertical oscillatory motion of a luminous dot target were measured in subjects with congenital idiopathic nystagmus and compar...

Benign paroxysmal positional vertigo (BPPV) is one of the most common causes of recurrent vertigo and is characterized by transient vertigo and nystagmus elicited by change of head position. Direction-changing positional nystagmus (DCPN) is typically observed upon head turning to either side in supine position in patients with horizontal canal (HC) BPPV. The geotropic nystagmus of HC canalolith...

Aim: To critically evaluate the literature in order to explore the success of botulinum toxin and extraocular muscle surgery in the management of acquired nystagmus. Methods: A literature search was undertaken using the PubMed and Web of Knowledge databases. Only studies reported in English were included. Results: The aim of using botulinum toxin is to alleviate the symptoms induced by acquired...

INTRODUCTION The aim of this study was to assess the effectiveness of displacement surgery in damping of ocular oscillation and management of compensatory head posture in patients of congenital nystagmus. METHODS This study was carried out in 2014. The participants were 50 patients with congenital nystagmus that dampens in a certain direction of gaze with or without abnormal head posture and ...

UNLABELLED The effects of Epley's maneuver in benign paroxysmal positional vertigo (BPPV) associated with Menière's disease are controversial. AIMS To evaluate the progression of positional vertigo and nystagmus after one or more of Epley's maneuvers in BPPV associated with Menière's disease, and the recurrence of BPPV. METHOD a retrospective study of 62 patients with BPPV associated with M...