Stereoscopic display systems and methods for displaying surgical data and information in a surgical microscope

A stereoscopic display system comprising:

• a display comprising first and second display portions, with an optical system configured to display one or more first images in a first eye interface, and configured to display one or more second images in a second eye interface, and wherein the one or more first images and the one or more second images are projected along a first pathway and a second pathway, respectively;
• a first optical element positioned to receive both images projected along both pathways, configured to only allow the one or more first images to pass into the first eye interface;
• and
• a second optical element positioned to receive both images projected along both pathways, configured to only allow the one or more second images to pass into the second eye interface.