However, the glasses have a special button that makes both lenses of one player's glasses display images for the left eye, and both lenses of another player display images for the right, allowing each to have their own 60fps feed all the time for private split-screen gaming.

ENGADGET: Sony's 24-inch PlayStation 3D 'dual-view' monitor: here's how it works

Calibrating the cameras to produce good-looking stills and video is more difficult than pulling off a glasses-free display, he said.

CNN: 3-D smartphones ditch the glasses

Perhaps, but Meta has just launched an interesting take on the concept by marrying see-through, stereoscopic, display glasses with a Kinect-style depth sensor.

ENGADGET