A surgical garment includes an undergarment and an outer garment configured to be worn over the undergarment. Based on the measured refractivities of the eyes, positions of the targets displayed for the right and left eyes are moved in the directions of the respective optical axes. Each nozzle chamber structure defines a nozzle chamber in fluid communication with a respective ink inlet channel and an ink ejection port in fluid communication with the nozzle chamber. The serving system responsively changes at least one call authorization in a serving-system profile for the mobile station.