This book includes the concept, general summary and the equipment of the visual electrophysiological examination. It also covers the clinical application scope, diagnosis protocol, standardized operation steps, clinical report samples, and the key points of reading reports, etc. of visual evoked potential (VEP), electroretinogram (ERG), electrooculogram (EOG), multifocal VEP, multifocal ERG and other commonly used visual electrophysiological examinations. Typical clinical report examples of normal and abnormal waveforms are specially added, which is a highlight of this book and can help clinical technicians quickly grasp the key points of electrophysiological report reading.