Search Results - "Dagnelie, G."

Blind subjects implanted with the Argus II retinal prosthesis are able to improve performance in a spatial-motor task by Ahuja, A K, Dorn, J D, Caspi, A, McMahon, M J, Dagnelie, G, Dacruz, L, Stanga, P, Humayun, M S, Greenberg, R J

“…To determine to what extent subjects implanted with the Argus II retinal prosthesis can improve performance compared with residual native vision in a…”
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Visual prosthetics 2006: Assessment and expectations by Dagnelie, G

“…Diseases that may be amenable to prosthetics include age-related macular degeneration, retinitis pigmentosa, retinal vascular diseases and glaucoma…”
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Are lutein and zeaxanthin conditionally essential nutrients for eye health? by Semba, R.D, Dagnelie, G

“…The carotenoids lutein and zeaxanthin are found in the macula in high concentrations and may play a role in the pathogenesis of age-related macular…”
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Photopsias are related in part to perceived stress and positive mood in retinitis pigmentosa by Bittner, A K, Haythornthwaite, J A, Diener-West, M, Dagnelie, G

“…Purpose We measured the relationship between the occurrence of photopsias (spontaneous phosphenes), and retinitis pigmentosa (RP) subjects’ level of vision,…”
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Visual performance under simulated conditions of prosthetic vision by Dagnelie, G.

“…Abstract only…”
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Human Neural Retinal Transplantation by Humayun, Mark S, de Juan, Eugene, Jr, del Cerro, Manuel, Dagnelie, Gislin, Radner, Wolfgang, Sadda, Srinivas R, Constancia del Cerro

“…A pilot study of human neural retinal transplantation was undertaken to investigate three major issues: whether a safe surgical procedure could be devised for…”
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Simulating auditory and visual sensorineural prostheses: a comparative review by Hallum, L E, Dagnelie, G, Suaning, G J, Lovell, N H

“…Microelectronic vision prosthesis proposes to render luminous spots (so-called phosphenes) in the visual field of the otherwise blind subject by way of an…”
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Retinal implants: emergence of a multidisciplinary field by Dagnelie, Gislin

“…This review summarizes the current status of retinal prostheses, recent accomplishments, and major remaining research, engineering, and rehabilitation…”
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Repeated mobility testing for later artificial visual function evaluation by Velikay-Parel, M, Ivastinovic, D, Koch, M, Hornig, R, Dagnelie, G, Richard, G, Langmann, A

“…The study investigates the utility of a newly designed mobility test for repeated testing of visual function in patients with severe visual impairment and…”
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Landmark-driven fundus perimetry using the scanning laser ophthalmoscope by Sunness, JS, Schuchard, RA, Shen, N, Rubin, GS, Dagnelie, G, Haselwood, DM

“…To present a new method of performing scanning laser ophthalmoscope perimetry that compensates for eye movements so that the correct retinal location is tested…”
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Principal components analysis for source localization of VEPs in man by Maier, J, Dagnelie, G, Spekreijse, H, van Dijk, B W

“…This study defines and compares the topologies of the visual evoked potentials to various stimuli such as pattern onset/offset, pattern reversal, pattern…”
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Visual stabilization of posture in retinitis pigmentosa and in artificially restricted visual fields by Turano, K, Herdman, SJ, Dagnelie, G

“…To investigate the relationship between retinitis pigmentosa (RP) progression and the visual contribution to posture stabilization; to examine the extent to…”
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Visual perception in a blind subject with a chronic microelectronic retinal prosthesis by Humayun, Mark S., Weiland, James D., Fujii, Gildo Y., Greenberg, Robert, Williamson, Richard, Little, Jim, Mech, Brian, Cimmarusti, Valerie, Van Boemel, Gretchen, Dagnelie, Gislin, de Juan, Eugene

“…A retinal prosthesis was permanently implanted in the eye of a completely blind test subject. This report details the results from the first 10 weeks of…”
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Foveal cone involvement in retinitis pigmentosa progression assessed through psychophysical impulse response parameters by Dagnelie, G, Massof, RW

“…To compare psychophysical impulse response parameters in retinitis pigmentosa (RP) patients and healthy controls using a temporal contrast sensitivity…”
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Prosthetic vision for the blind: the future in sight? by Dagnelie, G.

“…Abstract only…”
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Facial Recognition Using Simulated Prosthetic Pixelized Vision by Thompson, Robert W., Jr, Barnett, G. David, Humayun, Mark S, Dagnelie, Gislin

“…To evaluate a model of simulated pixelized prosthetic vision using noncontiguous circular phosphenes, to test the effects of phosphene and grid parameters on…”
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Retinal Prosthesis for the Blind by Margalit, Eyal, Maia, Mauricio, Weiland, James D, Greenberg, Robert J, Fujii, Gildo Y, Torres, Gustavo, Piyathaisere, Duke V, O'Hearn, Thomas M, Liu, Wentai, Lazzi, Gianluca, Dagnelie, Gislin, Scribner, Dean A, de Juan, Eugene, Humayun, Mark S

“…Most of current concepts for a visual prosthesis are based on neuronal electrical stimulation at different locations along the visual pathways within the…”
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Foveal cone involvement in retinitis pigmentosa progression assessed through flash-on-flash parameters by Dagnelie, G, Massof, RW

“…To compare psychophysical Naka-Rushton parameters in retinitis pigmentosa (RP) patients and healthy controls using a flash-on-flash increment threshold…”
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Pattern electrical stimulation of the human retina by Humayun, Mark S., de Juan Jr, Eugene, Weiland, James D., Dagnelie, Gislin, Katona, Steve, Greenberg, Robert, Suzuki, Satoshi

“…Experiments were conducted to study if electrical stimulation of the retinal surface can elicit visual sensation in individuals blind from end-stage retinitis…”
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Paragraph Text Reading Using a Pixelized Prosthetic Vision Simulator: Parameter Dependence and Task Learning in Free-Viewing Conditions by Dagnelie, Gislin, Barnett, David, Humayun, Mark S, Thompson, Robert W., Jr

“…To investigate the feasibility of adequate reading by recipients of future prosthetic visual implants through simulation in sighted observers. Four normally…”
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