Results 251 to 260 of about 28,602 (306)
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Acta Ophthalmologica, 1972
Flicker ERGs from normal human eyes are recorded using an averaging technique. After 300 msec the curve is in a stationary phase with strict periodicity. It is constructed by algebraic summation of individual flash responses with “head‐to‐tail” overlapping in higher frequencies. At a flash frequency of 25 cps.
N I, Bachen, M, Davanger
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Flicker ERGs from normal human eyes are recorded using an averaging technique. After 300 msec the curve is in a stationary phase with strict periodicity. It is constructed by algebraic summation of individual flash responses with “head‐to‐tail” overlapping in higher frequencies. At a flash frequency of 25 cps.
N I, Bachen, M, Davanger
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Agents and Actions, 1988
Basic mechanisms of the rat ERG were reinvestigated with contemporary methods of recording and photic stimulation via an optic fiber system connected with a contact lens. Flash stimulation and background illuminance were performed with photometrically defined light stimuli.
U, Schaeppi +4 more
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Basic mechanisms of the rat ERG were reinvestigated with contemporary methods of recording and photic stimulation via an optic fiber system connected with a contact lens. Flash stimulation and background illuminance were performed with photometrically defined light stimuli.
U, Schaeppi +4 more
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2018
The electroretinogram (ERG) is a mass electrical response from the retina, evoked by a brief flash of light. ERG recording is done using an active electrode (a contact lens in contact with bulbar conjunctiva) and a reference electrode (at the outer canthus); the active electrode can also be a gold foil electrode or HK-loop electrode.
Stephen H, Tsang, Tarun, Sharma
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The electroretinogram (ERG) is a mass electrical response from the retina, evoked by a brief flash of light. ERG recording is done using an active electrode (a contact lens in contact with bulbar conjunctiva) and a reference electrode (at the outer canthus); the active electrode can also be a gold foil electrode or HK-loop electrode.
Stephen H, Tsang, Tarun, Sharma
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Flash Electroretinography Parameters and Parkinson’s Disease
Journal of Parkinson's Disease, 2020Background: Parkinson’s disease (PD) is known to affect retinal structure and activity. As such, retinal evaluations may be used to develop objective and possibly early PD diagnostic tools.
Roni Netser +6 more
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Acta Ophthalmologica, 2008
Abstract Purpose To illustrate the value of electroretinography in clinical practice. Methods A case presentation format will be used to illustrate how pattern electroretinography, full‐field flash electroretinography and multifocal electroretinography can be used in clinical practice.
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Abstract Purpose To illustrate the value of electroretinography in clinical practice. Methods A case presentation format will be used to illustrate how pattern electroretinography, full‐field flash electroretinography and multifocal electroretinography can be used in clinical practice.
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A Ganzfeld Stimulator For Electroretinography
Archives of Ophthalmology, 1976The design of a ganzfeld stimulator for electroretinography affects both clinical results and ease of operation. Several advantageous design differences from a recently described ganzfeld stimulator are (1) close proximity of the flash electrode to the surface of the sphere to increase the intensity and uniformity of the stimulus; (2) provision for ...
R D, Gunkel, D R, Bergsma, P, Gouras
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Age-associated changes in electroretinography measures in companion dogs
Documenta Ophthalmologica, 2023Michele M Salzman +8 more
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Evaluation of electroretinography (ERG) parameters as a biomarker for ADHD
Progress in Neuro-psychopharmacology and Biological Psychiatry, 2023M. Dubois +7 more
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Electrode Equipment for Electroretinography
Biomedical Engineering, 2011Electrode equipment and its use in electroretinography (ERG) are discussed. Relative ERG error for corneal electrodes was 54%. Commercially available ERG electrodes can be used in medicine. The results obtained in this work provide a basis for normative documents for corneal electrodes in clinics.
I N, Spiridonov +2 more
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An international standard for electroretinography
Documenta Ophthalmologica, 1989An international standard procedure for electroretinography (ERG) has finally been established. It represents a minimum protocol to record five basic signals (rod response, scotopic maximal response, oscillatory potentials, single-flash cone response, 30-Hz flicker response).
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