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…”
Get more information

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…”
Get full text

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…”
Get full text

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,…”
Get full text

Visual performance under simulated conditions of prosthetic vision by Dagnelie, G.

“…Abstract only…”
Get full text

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…”
Get full text

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…”
Get more information

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…”
Get full text

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…”
Get more information

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…”
Get full text

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…”
Get more information

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…”
Get full text

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…”
Get full text

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…”
Get full text

Prosthetic vision for the blind: the future in sight? by Dagnelie, G.

“…Abstract only…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text