In this review, we consider the various electrodiagnostic waveforms that can be used by optometrists in the evaluation of visual function. The review has been written in three parts. Part 1 gives a brief overview of the waveforms and their clinical significance. It then concentrates on describing the flash ERG and discusses how to measure it, as this is one of the most commonly used electrodiagnostic methods. Part 2 considers the retinal generators of the waveforms and the physiology that underlies their creation. Part 3 concludes the series by considering waveforms and techniques, other than the flash ERG, that clinicians may want to use in the evaluation of their patients.
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Weisinger et al. (1996) studied this question.
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