The Test Stereoscopic 3D button and drop-down list on the Set Up Stereoscopic 3D screen in the NVIDIA Control Panel provides the ability to test stereoscopic 3D viewing and the ability to run the Setup Wizard and the Medical Image Test.
Test Stereoscopic 3D Option
Clicking on the Test Stereoscopic 3D button displays a test application that allows you to adjust stereoscopic 3D effects so that watching GeForce 3D Vision is comfortable to you.
When you have finished any adjustments, press the Esc key to exit the stereoscopic 3D test screen.