منابع مشابه
Multifocal electroretinograms in normal subjects.
Multifocal electroretinography (ERG), developed by Sutter in 1992, is a method of recording the spatial distribution of focal ERG in a short time period using multi-input stimulation. Using this technique, we can detect the spatial extent and severity of damage to the macula. In this study, we recorded multifocal ERGs from 20 eyes of 20 normal subjects and analyzed the topographical properties ...
متن کاملRod multifocal electroretinograms in mice.
PURPOSE To test the feasibility of recording rod multifocal electroretinograms (ERGs) from the mouse eye. METHODS Multifocal ERGs were recorded from normal mice (C57BL/6J) using an array of equal-sized hexagons. Local stimuli were blue (W47A), and the number of blank frames between successive flashes at the same location was fixed at 14 (minimum 200 msec between flashes). Flash and surround i...
متن کاملMultifocal electroretinograms in X-linked retinoschisis.
PURPOSE To study local retinal cone function in patients with X-linked retinoschisis (XLRS) by multifocal ERGs (mfERGs). METHODS mfERGs were recorded from seven eyes of seven patients with XLRS (mean age +/- SD, 22.1 +/- 3.2 years; range, 18 to 25 years). Five eyes had microcystic changes in the macula and two eyes had nonspecific macular degeneration. Two eyes had peripheral retinoschisis, a...
متن کاملMultifocal electroretinograms in early primary open-angle glaucoma.
PURPOSE To determine the utility of multifocal electroretinograms (mfERGs) in patients with early primary open-angle glaucoma (POAG) with unilateral visual field abnormalities. METHODS mfERGs were recorded from 24 eyes of 12 cases of early POAG (stage I for 1 eye and stage II for the other eye on the Kosaki scale). The implicit times and amplitudes of the second-order kernel summed for the wh...
متن کاملMultifocal electroretinograms in patients with branch retinal artery occlusion.
PURPOSE To investigate the usefulness of second-order multifocal electroretinograms (MERGs) for detecting inner retinal disorders. METHODS The MERG from 5 patients with branch retinal artery occlusion (BRAO) was recorded. Twelve eyes of 12 normal subjects were also tested. MERGs were recorded using 61 hexagons. Bright flash ERGs were also recorded to measure the oscillatory potentials (OP). R...
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ژورنال
عنوان ژورنال: Journal of Visualized Experiments
سال: 2011
ISSN: 1940-087X
DOI: 10.3791/3176