The C-wave in the ERG and the EPG (electropupillogram) in pigmentary degeneration of the retina.
D004594:Electrophysiology; D004596:Electroretinography; D006801:Humans; D011680:Pupil / Q000503:physiopathology*; D012174:Retinitis Pigmentosa / Q000503:physiopathology*