Electrophysiological Test Unit can be used for Pattern VEP, Pattern ERG, Flash VEP, for scotopic and photopic ERG, EOG fast and slow, mf ERG Flash stimulation and mf VEP Pattern stimulation. All ISCEV standards and guidelines are included.

The bio-signal amplifier includes a preamplifier near the patient. All patient data and the results are stored in a database. The bio-signal and average curves from all channels can be displayed on the monitor. In the analyze mode the system automatically sets all markers and calculates all the defined parameters.

The RETI-port/scan 21 unit from the Roland Consult Stasche & Finger GmbH includes the stimulator units and the data recording and analyzing system.