Multifocal electroretinography (mfERG) is a more recent advancement in electroretinography, which allows rapid assessment of retinal function from multiple areas at the same time. With contrast-reversing stimulation, the retinal electrical response is evoked with standard protocols. Using the mfERG, clinicians can determine the diagnosis of patients with retinal disease beyond the capacity of a clinical examination. In this activity, we review the MfERG procedure and technique, as well as the role of the interprofessional team in evaluating and improving care.
Recent advancement in electroretinography is the multifocal electroretinogram (mfERG), which allows an assessment of retinal function simultaneously from several parts of the eye. A contrast-reversing stimulus of 64 or 103 black-and-white hexagons over 30 to 40 degrees of the central visual field is used to record multiple retinal responses simultaneously. Moreover, the mfERG produces a topographic representation of a central retinal function, which is useful for mapping focal deficits in the retina by layer and by region.
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