Ex vivo ERG can be used to record electrical activity of retinal cells directly from isolated intact retinas of animals or humans. We demonstrate here how common in vivo ERG systems can be adapted for ex vivo ERG recordings in order to dissect the electrical activity of retinal cells.
Vinberg, F., Kefalov, V. Simultaneous ex vivo Functional Testing of Two Retinas by in vivo Electroretinogram System. J. Vis. Exp. (99), e52855, doi:10.3791/52855 (2015).