Results 91 to 100 of about 103,722 (368)

Three-dimensional videonystagmography characteristics in patients with benign paroxysmal positional vertigo

open access: yesZhongguo Linchuang Yixue
ObjectiveTo analyze the characteristics of nystagmus during the Dix-Hallpike and Roll tests in patients with benign paroxysmal positional vertigo (BPPV) using three-dimensional videonystagmography (3D-VNG), in order to to optimize diagnostic and ...
Yujin ZHENG   +6 more
doaj   +1 more source

Downbeat Nystagmus Induced by Sedation in Lasik

open access: yesCase Reports in Ophthalmological Medicine, 2012
Nystagmus was elicited during lasik under sedation in two patients that were treated for depression. Nystagmus was not present before or after surgery. Nystagmus can be pharmacologically induced and can be a hazard to refractive surgery.
Miguel Paciuc-Beja, Gerardo Mendieta
doaj   +1 more source

Spontaneous Nystagmus in the Dark in an Infantile Nystagmus Patient May Represent Negative Optokinetic Afternystagmus

open access: yesFrontiers in Neurology, 2018
Abnormal projection of the optic nerves to the wrong cerebral hemisphere transforms the optokinetic system from its usual negative feedback loop to a positive feedback loop with characteristic ocular motor instabilities including directional reversal of ...
Ting-Feng Lin   +8 more
doaj   +1 more source

“That's All Anyone Needs Really, Support”: A Content Analysis of Retinoblastoma Survivors’ Psychosocial Support Needs

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Retinoblastoma (Rb) is a rare intraocular malignancy that affects one in 23,000 children born in the UK each year. This cancer can impact survivors across their lifetime, with the specific psychosocial challenges affecting this group becoming increasingly understood.
Nicola O'Donnell   +3 more
wiley   +1 more source

Positional and spontaneous nystagmus (8-IML-1) [PDF]

open access: yes
Nystagmus is an involuntary oscillation of the eyes with a slow eye movement in one direction and a compensatory quick eye movement in the opposite direction to return the eyes to their original position. The slow phase of nystagmus is often generated by
Mcclure, Joseph
core   +1 more source

Nystagmus as an early ocular alteration in Machado-Joseph disease (MJD/SCA3)

open access: yesBMC Neurology, 2014
BackgroundMachado-Joseph disease (MJD), also named spinocerebellar ataxia type 3 (SCA3) is the most common autosomal dominant ataxia worldwide. Although nystagmus is one of the most frequently reported ocular alterations in MJD patients its behaviour ...
M. Raposo   +5 more
semanticscholar   +1 more source

Widespread Skin Telangiectasias in Spinocerebellar Ataxia Type 27B

open access: yes
Annals of Neurology, EarlyView.
Victor Alm   +3 more
wiley   +1 more source

Peripheral vestibular syndrome in cats: Clinical presentation, diagnostic findings and outcome in 196 cases

open access: yesVeterinary Record, EarlyView.
Abstract Background Disorders of the vestibular system are frequent in cats. This study aimed to describe the clinical presentation, diagnostic findings, underlying aetiologies and outcome of cats with peripheral vestibular syndrome (PVS). Methods This was a retrospective study of cats presented with PVS at four referral hospitals.
Jordina Caldero Carrete   +5 more
wiley   +1 more source

Three-dimensional characteristics of nystagmus induced by low frequency in semicircular canals of healthy young people

open access: yesFrontiers in Neuroscience
ObjectiveThe study aimed to analyze the three-dimensional characteristics of nystagmus induced by different semicircular canal combinations in healthy young people, and to determine the reference range of nystagmus slow phase velocity (SPV) and its ...
Xiaobang Huang   +39 more
doaj   +1 more source

Persistent spontaneous nystagmus following a canalith repositioning procedure in horizontal semicircular canal benign paroxysmal positional vertigo.

open access: yesJAMA Otolaryngology - Head and Neck Surgery, 2014
IMPORTANCE Nystagmus can occur spontaneously from multiple causes. Direction-changing positional nystagmus on the supine roll test is a characteristic clinical feature in horizontal semicircular canal benign paroxysmal positional vertigo.
Kyung Min Ko   +3 more
semanticscholar   +1 more source

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