Visual Electrodiagnostic Testing in Birdshot Chorioretinopathy

Figure 1

Diagram of the six basic ERGs defined by the ISCEV Standard. These waveforms are exemplary only and are not intended to indicate minimum, maximum, or typical values. Bold arrowheads indicate the stimulus flash; solid arrows illustrate a-wave and b-wave amplitudes; dotted arrows exemplify how to measure time to peak (, implicit time or peak time) (to be reprinted with permission from McCulloch et al. ISCEV Standard for full-field clinical electroretinography (2015 update) [17]. Documenta Ophthalmologica: Advances in Ophthalmology. 2015, 130(1): 1–12.)