The Temporal eye seems to grant the user the ability to use Dark Release and Light Release the reasoning is unclear to Sasuke due to the fact that the eye's main ability is the manipulation of Space and Time and the ability to read his foe's mind. The doujutsu has a unique ability to copy other space/time techniques that are viewed by the user no matter how complex they are. Another ability of the Temporal Eye is to allow the user to see into the future and read a target's mind(but not influence it). The eye also grants the user heightened intelligence giving the user the ability to process large amounts of information in seconds and utilize it in battle. Teleportation techniques become useless against the user because the eye can pick up on the next location that the user is going to tele