Afterbrain electrode device for ophthalmology

The invention discloses an afterbrain electrode device for ophthalmology, and belongs to the technical field of medical instruments. The device comprises a fixing base, electrodes, a signal amplifier,a filter and a Bluetooth emitter, wherein the electrodes, the signal amplifier, the filter and the Bluetooth emitter are arranged on the fixing base; at least one working face matched with the afterbrain of the human body is arranged on the outer surface of the fixing base, the electrodes are arranged in the area of the working face, and at least one electrode is arranged at the center of the working face; the electrodes are electrically communicated with the signal amplifier, the signal amplifier is electrically communicated with the filter, and the filter is electrically communicated with the Bluetooth emitter. The device further comprises a telescopic mechanism which drives the electrodes to stretch out of the working face or retract into the working face. According to the afterbrain electrode device, the elec