Results 121 to 130 of about 2,391 (172)

A Rare Case of Hunter Syndrome (Mucopolysaccharidosis II) With Bilateral Maculopathy Associated With Rod-Cone Dystrophy. [PDF]

Cureus
Quaicoe ASP, Cornish EE, Chong R.
europepmc   +1 more source

Multimodal Imaging Studies of Pigmented Paravenous Retinochoroidal Atrophy: A Case Report. [PDF]

Am J Case Rep
Xu Y, Bai F, Zhang J, Li FQ, Pan X.
europepmc   +1 more source

Clinical evaluation of multifocal electroretinogram

, 1997
openaire   +1 more source

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The effect of filter bandwidth on the multifocal electroretinogram

Documenta Ophthalmologica, 1996
The effect of filter bandwith on the multifocal electroretinogram was assessed by means of theoretical calculation, electronic simulation and real multifocal electroretinogram recordings. Waveform distortion by high-pass filtering on simulated square waves, normal electroretinogram waveforms and negative electroretinogram waveforms was demonstrated ...
Tom Williamson, S Parks, D Keating
exaly   +3 more sources

Variation of multifocal electroretinogram with axial length

Ophthalmic and Physiological Optics, 2003
Abstract Introduction: The first‐order kernel response of multifocal electroretinogram (mfERG) decreases in myopia. A recent study indicates that the flash ERG is also reduced with increased axial length.
H L, Chan, N, Mohidin
exaly   +3 more sources

The Multifocal Electroretinogram

Journal of Neuro-Ophthalmology, 2003
The multifocal electroretinogram (mfERG) technique allows local ERG responses to be recorded simultaneously from many regions of the retina. As in the case of the full-field ERG, the ganglion cells contribute relatively little to the response, which originates largely from the outer retina.
Donald C, Hood, Jeffrey G, Odel, Candice S, Chen, Bryan J, Winn   +3 more
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Topography of the multifocal electroretinogram

Documenta Ophthalmologica, 1998
The functional topography of the human retina was characterized using the multifocal electroretinogram (ERG), with particular attention to the form of the decline in response with retinal eccentricity. Population response variability was examined and compared to standard full field ERG variability.
W A, Verdon, G, Haegerstrom-Portnoy
openaire   +2 more sources

Acute effects of sildenafil on the electroretinogram and multifocal electroretinogram

American Journal of Ophthalmology, 2001
To evaluate the acute effects of sildenafil (Viagra; Pfizer, Inc, New York, New York) on the electroretinogram and multifocal electroretinogram.Eighteen healthy individuals (ages 21-49 years) were studied; 14 were given 200 mg sildenafil orally and four were given only water.
J K, Luu, A V, Chappelow, T J, McCulley, M F, Marmor   +3 more
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The impact of fixation on the multifocal electroretinogram

Documenta Ophthalmologica, 2001
There are a number of variables which can influence the quality of multifocal ERG waveforms. In common with visual field measurements, fixation quality may be an important parameter on the integrity of the acquired data. A low cost, fixation-monitoring device was used to assess fixation quality on a group of normal volunteers.
J A, Chisholm, D, Keating, S, Parks, A L, Evans   +3 more
openaire   +2 more sources