Representative Multifocal Electroretinography Responses


File number: 130678


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    Appears in
    electroretinography, multifocal ERG (MFERG), Stargardt disease, retinitis pigmentosa
    Gabrielle Hallai, PhD, Cleveland Clinic Cole Eye Institute
    Imaging device
    Diagnosys LCD Pattern Stimulator
    Multifocal ERG responses from a control individual with no known retinal pathology is shown on the left. The topographical maps (left of each panel) demonstrate the patient’s pattern of responses. The trace arrays (right of each panel) demonstrate the patient’s multifocal ERG responses. The middle set of images demonstrates responses from a patient with Stargardt disease. The topographical map shows decreased patterns throughout the macula. The traces show decreased central response with preserved, but diminished responses in the periphery. The final set of images is from a patient with retinitis pigmentosa. In this case, the topographical map shows a small, green peak in the center. In the trace array, there are extinguished responses in the periphery with a diminished response in the center. Multifocal ERG testing was completed using the Diagnosys LCD Pattern Stimulator.

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