Search Results - "Choh, Vivian"

Development of a new surgical technique to infuse kynurenic acid to optic nerves in chickens for studying loss of myelination by Gurdita, Akshay, Kwiecien, Jacek M., Choh, Vivian

“…Prolonged infusion of a high dose of kynurenic acid (KYNA) reduces the myelin content in the rat spinal cord with preservation of the axonal integrity and…”
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The pattern ERG in chicks – Stimulus dependence and optic nerve section by Ostrin, Lisa A., Choh, Vivian, Wildsoet, Christine F.

“…[Display omitted] •Chicks show robust pERG responses.•Imposed defocus and diffusing blur attenuate pERG responses.•The pERG response is unaffected following…”
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The effect of zinc on the stiffness of chicken lenses by Gorla, Shilpa, Choh, Vivian

“…Aims/Purpose: Aquaporins are specialized water channels. A volume change through permeable aquaporins may be necessary for the lens' ability to change shape…”
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Effects of interchanging hyperopic defocus and form deprivation stimuli in normal and optic nerve-sectioned chicks by Choh, Vivian, Lew, MinJung Y., Nadel, Michel W., Wildsoet, Christine F.

“…To test the hypothesis that the same mechanisms mediate form deprivation and lens-induced myopia, the ocular growth responses of chicks alternately exposed to…”
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Morphological and functional changes in the rat retina associated with 2 months of intermittent moderate intraocular pressure elevation by Tan, Bingyao, Gurdita, Akshay, Choh, Vivian, Joos, Karen M., Prasad, Ratna, Bizheva, Kostadinka

“…Morphological and functional changes in the rat retina and optic nerve head (ONH), associated with 8 weeks of intermittent moderately elevated intraocular…”
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Short-Term Moderately Elevated Intraocular Pressure Is Associated With Elevated Scotopic Electroretinogram Responses by Choh, Vivian, Gurdita, Akshay, Tan, Bingyao, Prasad, Ratna C, Bizheva, Kostadinka, Joos, Karen M

“…Moderately elevated intraocular pressure (IOP) is a risk factor for open-angle glaucoma. Some patients suffer glaucoma despite clinically measured normal IOPs…”
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Ultrasound biomicroscopy of the anterior segment of the enucleated chicken eye during accommodation by Choh, Vivian, Sivak, Jacob G., Irving, Elizabeth L., Wong, Winnie

“…Ultrasound biomicroscopy produces real‐time two‐dimensional images of ocular structures measured non‐invasively. Given recent work which shows that lenses from…”
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In vivo assessment of thickness and reflectivity in a rat outer retinal degeneration model with ultrahigh resolution optical coherence tomography by Hariri, Sepideh, Moayed, Alireza A, Choh, Vivian, Bizheva, Kostadinka

“…To provide in vivo quantitative assessment of sodium iodate-induced retinal damage in a rat model of outer retinal degeneration using ultrahigh resolution…”
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Pharmacologically stimulated pupil and accommodative changes in Guinea pigs by Ostrin, Lisa A, Garcia, Mariana B, Choh, Vivian, Wildsoet, Christine F

“…The guinea pig is being used increasingly as a model of human myopia. As accommodation may influence the effects of manipulations used in experimental myopia…”
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Pigmented and albino rats differ in their responses to moderate, acute and reversible intraocular pressure elevation by Gurdita, Akshay, Tan, Bingyao, Joos, Karen M., Bizheva, Kostadinka, Choh, Vivian

“…Purpose To compare the electrophysiological and morphological responses to acute, moderately elevated intraocular pressure (IOP) in Sprague-Dawley (SD),…”
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In vivo imaging of intrinsic optical signals in chicken retina with functional optical coherence tomography by Moayed, Alireza Akhlagh, Hariri, Sepideh, Choh, Vivian, Bizheva, Kostadinka

“…Visually evoked intrinsic optical signals (IOSs) were measured in vivo for the first time to our knowledge from all retina layers of the chicken retina with a…”
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The effects of actomyosin disruptors on the mechanical integrity of the avian crystalline lens by Won, Gah-Jone, Fudge, Douglas S, Choh, Vivian

“…Actin and myosin within the crystalline lens maintain the structural integrity of lens fiber cells and form a hexagonal lattice cradling the posterior surface…”
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Density of ocular components of the bovine eye by Su, Xiao, Vesco, Christina, Fleming, Jacquelyn, Choh, Vivian

“…Density is essential for acoustic characterization of tissues and provides a basic input for ultrasound backscatter and absorption models. Despite the…”
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Isoflurane and ketamine:xylazine differentially affect intraocular pressure-associated scotopic threshold responses in Sprague-Dawley rats by Choh, Vivian, Gurdita, Akshay, Tan, Bingyao, Feng, Yunwei, Bizheva, Kostadinka, McCulloch, Daphne L., Joos, Karen M.

“…Purpose Amplitudes of electroretinograms (ERG) are enhanced during acute, moderate elevation of intraocular pressure (IOP) in rats anaesthetised with…”
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Inhibition of defocus-induced myopia in chickens by Woods, Jill, Guthrie, Sarah E, Keir, Nancy, Dillehay, Sally, Tyson, Mark, Griffin, Richard, Choh, Vivian, Fonn, Desmond, Jones, Lyndon, Irving, Elizabeth

“…To determine the effect of wearing a lens with a unique peripheral optical design on the development and progression of defocus-induced myopia in newly hatched…”
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The role of the iris in chick accommodation by Ostrin, Lisa Anne, Liu, Yue, Choh, Vivian, Wildsoet, Christine F

“…Peripheral defocus, higher-order aberrations, and accommodation interact with pupil size to influence retinal image quality and possibly eye growth. Iridectomy…”
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Inner retinal cell development is impaired in Smoky Joe chickens by Tran, Thanh T, Bedecarrats, Gregoy Y, Choh, Vivian

“…Many different components of the retina can be affected by inherited degenerative diseases causing blindness. Currently, 5 different mutant strains of chicken…”
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Stimulus-specific pupil dynamics measured in birds (Gallus gallus domesticus) in vivo with ultrahigh resolution optical coherence tomography by Moayed, Alireza Akhlagh, Choh, Vivian, Hariri, Sepideh, Liu, Chenyi, Wong, Alexander, Bizheva, Kostadinka

“…To demonstrate the ability of high speed, ultrahigh-resolution optical coherence tomography (UHR-OCT) to measure and characterize in vivo visual…”
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Effects of a myosin light chain kinase inhibitor on the optics and accommodation of the avian crystalline lens by Luck, Sara, Choh, Vivian

“…While many studies investigate the cytoskeletal properties of the lens with respect to cataract development, examinations of how these molecular structures…”
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