Boruto's Jougan, which translates to "Pure Eye," is an ability that allows him to perceive chakra, see interdimensional portals, and detect hidden enemies. Its origin is not yet fully explained in the Boruto series, but it is hinted that the Jougan is related to Boruto's bloodline and his connection to the Otsutsuki clan. The exact details of how he acquired this special eye power have not been revealed yet in the series.