1. A method for eye gaze tracking, comprising the steps of: focusing at least one camera upon at least one of a user's eyes, each said camera having a focal center, an image plane, and a co-located light source emitting light toward said eye; identifying and locating image aspects including at least one glint and a pupil image in said image plane; and computing a gaze vector from at least one plane generated from said image aspects and camera position and orientation data.