Once a stereoscopic project is enabled, you can display each eye at the current frame at the same time in Dual View mode. As in A/B mode, you can view the images side by side (2-up mode), or a portion of each image in the same viewer (Vertical Wipe and Horizontal Wipe modes).
In a stereoscopic project, you can also view the Left Eye overlaid on the Right Eye, as a blended image.
To display the Dual View Blend mode: