Results 91 to 100 of about 54,005 (272)
The Ups and Downs of Infantile Nystagmus Syndrome in Adulthood
, 2021 Infantile nystagmus syndrome (INS) is a common cause of abnormal eye movements during childhood. However, INS might reach adulthood unnoticed and mimic acquired forms of jerk nystagmus. We aimed to highlight the pitfalls of INS diagnosis in adulthood, by
André Jorge; Ana Inês Martins; João Lemos
core
Movement Disorders Clinical Practice, EarlyView.Abstract Background Childhood‐onset hyperkinetic movement disorders occur in a range of genetic conditions. Recently, there has been an increase in recognition of hyperkinetic movement disorders, mainly dystonia, chorea and dyskinesia, with monogenic conditions associated with neurodevelopmental delay (NDD) and also with developmental and epileptic ...
Hugo Morales‐Briceño +6 more
wiley +1 more source
Localization of Downbeat Nystagmus
, 2022 Spontaneous downbeat nystagmus (DBN) is typically present in the primary position with a downward fast-phase and slow upward drift. There are at least three different proposed mechanisms for DBN: vertical semicircular canal asymmetric impairments, up ...
Elizabeth Fracica; Kemar Green
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Treatment of Nystagmus and Saccadic Oscillations
, 2012 Nystagmus is often encountered in neuro-ophthalmic practice, having a prevalence of about 24 per 10,000 in the general population. Unlike physiologic nystagmus, where the slow phases of nystagmus serve to minimize retinal image slip, the slow phases of ...
Matthew Thurtell, Mbbs, fRaCP
core
, 2019 Nystagmus is an involuntary rhythmical movement of the eyes. The cause of nystagmus is a disruption in the afferent, central or efferent parts of the eye movement system.
Bohač, Maja +9 more
core +1 more source
Presynaptic Congenital Myasthenic Syndromes
Muscle &Nerve, EarlyView.ABSTRACT Presynaptic congenital myasthenic syndromes (CMS) encompass a large number of rare neurologic disorders caused by impaired release of acetylcholine (ACh) from motor nerve terminals. There are two main groups of presynaptic CMS: one in which the amount of ACh in synaptic vesicles (SV) is diminished and another in which the mechanism of synaptic
Ricardo A. Maselli
wiley +1 more source
Case Reports in Otolaryngology, 2015 Antigravitational deviation of the cupula of the lateral semicircular canal, which is also called light cupula, evokes persistent direction-changing geotropic nystagmus with a neutral point. No intractable cases of this condition have been reported.
Toru Seo, Kazuya Saito, Katsumi Doi
doaj +1 more source
Veterinary Record, EarlyView.Abstract Background Non‐ambulatory tetraparesis or tetraplegia in cats may constitute a diagnostic challenge for general practitioners. Therefore, this study aimed to evaluate if clinical variables from signalment, history, clinical examination and basic ancillary tests are associated with underlying diagnoses in cats with non‐ambulatory tetraparesis ...
Guido Bertoldi, Steven De Decker
wiley +1 more source
European Journal of Neurology, 2011 The ocular motor system consists of several subsystems, including the vestibular ocular nystagmus saccade system, the pursuit system, the fixation and gaze‐holding system and the vergence system. All these subsystems aid the stabilization of the images on the retina during eye and head movements and any kind of disturbance of one of the systems can ...
Straube A., Bronstein A., Straumann D.
openaire +2 more sources
Subjective Visual Vertical Can be an Effective Tool to Evaluate Vestibular Function of Stapedotomy
World Journal of Otorhinolaryngology - Head and Neck Surgery, EarlyView.ABSTRACT Objective To investigate if the subjective visual vertical/horizontal (SVV/SVH) can be used to evaluate the otolith organ of otosclerosis and stapedotomy. Design A total of 19 patients who were diagnosed with otosclerosis and underwent surgical treatment in our hospital were collected.
Tao Jiang, Juan Zheng, Wen‐Yan Li
wiley +1 more source