Larger wall- or stand-mounted or smaller ceiling-arm-mounted displays for showing close-ups and other images from the ongoing surgery. Image quality and color reproduction are very important. The displays also need to follow medical regulations regarding power etc. and be designed so they can be thoroughly cleaned with alcohol-based substances.
A monitor that can be placed in the proximity of the patient needs to follow the same physical standards as the ones used in Surgery but are most often smaller in size.
3D-displays can be a good way of getting to know the case specifics and critical areas of an upcoming surgery beforehand. The X-ray images are opened in a specific 3D-software that displays onto a stereoscopic display that can be used without any special glasses.
Monitors that have been specifically designed to display the correct colors for looking at tissues.