NVNews.Net posted an article on the GeForce 3D Vision

Today at the Consumer Electronics Show (CES) NVIDIA is scheduled to announce GeForce 3D Vision. Using wireless glasses, an IR emitter and driver software, the technology adds a 3D effect to games running on displays that can deliver a 120 Hz refresh rate. The effective refresh rate is basically halved as each eye receives a refresh rate of 60Hz, which is the minimum refresh rate that is usually needed to deliver flicker-free viewing.

GeForce 3D Vision Article