Results 91 to 100 of about 103,722 (368)
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
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
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
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]
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)
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
Annals of Neurology, EarlyView.
Victor Alm+3 more
wiley +1 more source
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
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
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