Search Results - "Lovasik, John V"

Use of the retinal vessel analyzer in ocular blood flow research by Garhofer, Gerhard, Bek, Toke, Boehm, Andreas G., Gherghel, Doina, Grunwald, Juan, Jeppesen, Peter, Kergoat, Hélène, Kotliar, Konstantin, Lanzl, Ines, Lovasik, John V., Nagel, Edgar, Vilser, Walthard, Orgul, Selim, Schmetterer, Leopold

“…Acta Ophthalmol. 2010: 88: 717–722 . The present article describes a standard instrument for the continuous online determination of retinal vessel diameters,…”
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Choroidal Blood Flow during Exercise-Induced Changes in the Ocular Perfusion Pressure by Lovasik, John V, Kergoat, Helene, Riva, Charles E, Petrig, Benno L, Geiser, Martial

“…The high metabolic rate of the human retina is supported by the choroidal vasculature. Knowledge of the normal choroidal blood flow (ChBF) responses to various…”
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Laser in situ keratomileusis for myopia and the contrast sensitivity function by Quesnel, Nadia-Marie, Lovasik, John V, Ferremi, Christian, Boileau, Martin, Ieraci, Catherine

“…To characterize the clinical effects of laser in situ keratomileusis (LASIK) on the cornea and visual performance by the contrast sensitivity function (CSF)…”
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Use of colour Doppler imaging in ocular blood flow research by Stalmans, Ingeborg, Vandewalle, Evelien, Anderson, Douglas R., Costa, Vital P., Frenkel, Ronald E. P., Garhofer, Gerhard, Grunwald, Juan, Gugleta, Konstantin, Harris, Alon, Hudson, Christopher, Januleviciene, Ingrida, Kagemann, Larry, Kergoat, Hélène, Lovasik, John V., Lanzl, Ines, Martinez, Antonio, Nguyen, Quan D., Plange, Niklas, Reitsamer, Herbert A., Sehi, Mitra, Siesky, Brent, Zeitz, Oliver, Orgül, Selim, Schmetterer, Leopold

“… The main objective of this report is to encourage consistent quality of testing and reporting within and between centres that use colour Doppler imaging…”
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Consequences of an increase in the ocular perfusion pressure on the pulsatile ocular blood flow by LOVASIK, John V, KERGOAT, Hélène

“…In previous studies we have demonstrated that physical exertion constricted the major retinal arteries, increased the redness of the optic nerve head, and…”
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Systemic Hyperoxia and Retinal Vasomotor Responses by Jean-Louis, Seendy, Lovasik, John V, Kergoat, Helene

“…Several studies have investigated the changes in retinal vessel diameter during physiological stress or pathologic conditions. These studies were principally…”
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Blue flicker modifies the subfoveal choroidal blood flow in the human eye by Lovasik, John V, Kergoat, Hélène, Wajszilber, Marcelo A

“…The objective of the present study was to reveal an interaction between choroidal blood flow (ChBF) and light-induced photoreceptor activity, a physiological…”
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Experimentally reduced perfusion of one eye impairs retinal function in both eyes by LOVASIK, John V, KERGOAT, Hélène, GAGNON, Marc

“…The oscillatory potential index of scotopic white flash electroretinograms is reversibly enhanced in the contralateral eye when the ocular perfusion pressure…”
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Effects of Transient Mild Systemic Hypoxia on the Pulsatile Choroidal Blood Flow in Healthy Young Human Adults by Kergoat, Hélène, Marinier, Julie-Andrée, Lovasik, John V.

“…Purpose: To investigate the effects of transient mild systemic hypoxia on the pulsatile ocular blood flow (POBF) in the healthy young adult. Methods: Two…”
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Longitudinal analysis of precorneal tear film rupture patterns by Bitton, E, Lovasik, J V

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Age-related topographical changes in the normal human optic nerve head measured by scanning laser tomography by Kergoat, H, Kergoat, M J, Justino, L, Lovasik, J V

“…This study was designed to investigate the effects of advanced aging on the optic nerve head (ONH) structure and retinal nerve fiber layer (RNFL) thickness in…”
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Seven-degree head-down tilt reduces choroidal pulsatile ocular blood flow by Kergoat, Hélène, Lovasik, John V

“…We investigated the effects of head-down tilt (HDT), which simulates microgravity during spaceflights, on the choroidal pulsatile ocular blood flow (POBF)…”
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Neuroretinal function during mild systemic hypoxia by Tinjust, David, Kergoat, Hélène, Lovasik, John V

“…Few studies have investigated the effect of systemic hypoxia on the vascular and neural function of the human retina. Such studies can help us understand…”
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Reproducibility of retinal and optic nerve head perfusion measurements using scanning laser Doppler flowmetry by Hafez, Ali S, Bizzarro, Regina L G, Rivard, Michèle, Trabut, Isabelle, Lovasik, John V, Kergoat, Hélène, Lesk, Mark R

“…To evaluate the reproducibility of full-field perfusion analysis using scanning laser Doppler flowmetry (SLDF) for perfusion measurements of the neuroretinal…”
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Visual performance and subjective discomfort in prolonged viewing of chromatic displays by Matthews, M L, Lovasik, J V, Mertins, K

“…Visual search and decision-making performance together with subjective fatigue were investigated over a 4-hr time block as a function of display foreground and…”
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A NOVEL NEUROVASCULAR PROBE FOR INVESTIGATING RETINAL PHYSIOLOGY IN MAN: Poster # 113 by Lovasik, John V.

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UNCOUPLING OF THE NEUROVASCULAR LOOP IN THE HUMAN RETINA: Poster #152 by Lovasik, John V.

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PHOTIC DRIVING OF THE CHOROIDAL BLOOD FLOW IN HUMANS: Poster # 114 by Lovasik, John V.

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Improving the diagnostic power of electroretinography by transient alteration of the ocular perfusion pressure by LOVASIK, J. V, KOTHE, A. C, KERGOAT, H

“…In this report we present the results of a series of studies focusing on the effects of transient changes in the ocular perfusion pressure (OPP) on retinal…”
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Time course of cycloplegia induced by a new phenylephrine-tropicamide combination drug by LOVASIK, J. V, KERGOAT, H

“…A motorized and computer-interfaced phoropter was used to track the development of cycloplegia and recovery of accommodation over a 60-min period, after the…”
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