1. A computerized medical diagnosis management system, comprising: (a) a central computer system comprising a data processor; (b) at least one data interface operatively coupled to the data processor and configured to receive data from two or more diagnosis instruments, wherein each diagnosis instrument is configured for displaying measurement data and/or diagnosis data on a local monitor; (c) an input unit operatively coupled to the data processor and configured to select a diagnosis instrument from the two or more diagnosis instruments and to generate a control code for the selected diagnosis instrument, when a control instruction is entered through the input unit; and (d) a display unit operatively coupled to the data processor and configured to display the received data simultaneously or successively, wherein the data interface automatically forwards the control code to the selected diagnosis instrument.