1. A system for visual identification of significant images, said system comprising: a visual tracking system capable of tracking a user gaze with respect to at least one medical display device, wherein said visual tracking system identifies an image at which a user is gazing and wherein said visual tracking system records a user viewing time during which said user is looking at said image; a significant image selector for identifying at least one significant image based on said user viewing time; a medical image database for storing medical images; and an arbitration module for arbitrating among a plurality of users wherein significant images are designated as significant in said medical image database.