Results 41 to 50 of about 20,085 (220)

Electrical vestibular stimulation in humans. A narrative review [PDF]

, 2019
Background: In patients with bilateral vestibulopathy, the regular treatment options, such as medication, surgery, and/ or vestibular rehabilitation, do not always suffice. Therefore, the focus in this field of vestibular research shifted to electri-
Barbara, Maurizio, Borkoski Barreiro, Silvia, Croll Papsin, Blake, Curthoys, Ian S., Lynn Cushing, Sharon, Manrique, Manuel, Ramos, Angel, Ramos-Miguel, Angel, Sluydts, Morgana, Vanspauwen, Robby, Zarowski, Andrzej   +10 more
core   +1 more source

Visually induced analgesia: seeing the body reduces pain [PDF]

, 2009
Given previous reports of strong interactions between vision and somatic senses, we investigated whether vision of the body modulates pain perception. Participants looked into a mirror aligned with their body midline at either the reflection of their own
Aglioti, S.M., Betti, V., Haggard, P., Longo, Matthew R.   +3 more
core   +1 more source

Quantification of arterial, venous, and cerebrospinal fluid flow dynamics by magnetic resonance imaging under simulated micro-gravity conditions: a prospective cohort study

Fluids and Barriers of the CNS, 2021
Background Astronauts undergoing long-duration spaceflight are exposed to numerous health risks, including Spaceflight-Associated Neuro-Ocular Syndrome (SANS), a spectrum of ophthalmic changes that can result in permanent loss of visual acuity.
Arslan M. Zahid, Bryn Martin, Stephanie Collins, John N. Oshinski, C. Ross Ethier   +4 more
doaj   +1 more source

Effect of adding clonidine to lidocaine on ocular hemodynamics during sub-Tenon’s anesthesia: randomized double-blind study

Brazilian Journal of Anesthesiology, 2021
Introduction and objectives: Different regional anesthesia techniques for ophthalmology can have hemodynamic effects on the eye. We assessed the effects of adding clonidine to lidocaine on Intraocular Pressure (IOP), Ocular Pulse Amplitude (OPA), and ...
Sigmar Aurea Cabral, Antonio Roberto Carraretto, Angela Maria Sousa, Renato Santiago Gomez   +3 more
doaj   +1 more source

The ocular pulse amplitude at different intraocular pressure: a prospective study [PDF]

Acta Ophthalmologica, 2011
To investigate changes in ocular pulse amplitude (OPA) during a short-term increase in intraocular pressure (IOP) and to assess possible influences of biometrical properties of the eye, including central corneal thickness (CCT) and axial length.In a prospective, single centre study, OPA and IOP as measured by dynamic contour tonometry (DCT) were taken ...
Knecht, P B, Bosch, M M, Michels, S, Mannhardt, S, Schmid, U, Bosch, M A, Menke, M N   +6 more
openaire   +3 more sources

Non-invasive Clinical Measurement of Ocular Rigidity and Comparison to Biomechanical and Morphological Parameters in Glaucomatous and Healthy Subjects

Frontiers in Medicine, 2021
Purpose: To assess ocular rigidity using dynamic optical coherence tomography (OCT) videos in glaucomatous and healthy subjects, and to evaluate how ocular rigidity correlates with biomechanical and morphological characteristics of the human eye.Methods:
Yanhui Ma, Sayoko E. Moroi, Cynthia J. Roberts, Cynthia J. Roberts   +3 more
doaj   +1 more source

Ocular pressure waveform reflects ventricular bigeminy and aortic insufficiency

Indian Journal of Ophthalmology, 2015
Ocular pulse amplitude (OPA) is defined as the difference between maximum and minimum intraocular pressure (IOP) during a cardiac cycle. Average values of OPA range from 1 to 4 mmHg.
Jean B Kassem, Steven E Katz, Ashraf M Mahmoud, Robert H Small, Subha V Raman, Cynthia J Roberts   +5 more
doaj   +1 more source

Eye-hand synergy and intermittent behaviors during target-directed tracking with visual and non-visual information. [PDF]

PLoS ONE, 2012
Visual feedback and non-visual information play different roles in tracking of an external target. This study explored the respective roles of the visual and non-visual information in eleven healthy volunteers who coupled the manual cursor to a ...
Chien-Ting Huang, Ing-Shiou Hwang
doaj   +1 more source

elastography in primary open-angle glaucoma [PDF]

, 2016
Objective: The aim of this study was to compare sonoelastographic findings in the retina-choroid-sclera (RCS) complex and vitreous in glaucomatous and healthy eyes.Methods: For this cross-sectional comparative study, 20 patients with primary open-angle ...
Agladioglu, K, Kasikci, SA, Kiroglu, Y, Pekel, G, Yagci, R   +4 more
core   +2 more sources

A Distal Model of Congenital Nystagmus as Nonlinear Adaptive Oscillations [PDF]

, 2006
Congenital nystagmus (CN) is an incurable pathological spontaneous oscillation of the eyes with an onset in the first few months of life. The pathophysiology of CN is mysterious.
Berry, David + L, Harris, Christopher + M   +1 more
core   +1 more source