Tenchōgan

Tenchōgan (天頂眼, Zenith Eye)is the Kekkei Genkai, which appears in members of the Kurokami Clan of Yamataikoku. It is considered one of The Five Great Abilities of the North. Some think this is a downgraded version of the Kyōteigan while due to the similar abilities. While others think it belong to the husband of the Zenhōi kage.

Stages
When first awakened the users eyes becomes pure white showing no detail at all. As the user trains with the eyes, patterns begins to become more distinct until the pupils become visible.

Heiretsu Tenchōgan
The Heiretsu Tenchōgan (並列天頂眼,Parallel Zenith Eye) is the advanced form of Tenchōgan. The Heiretsu Tenchōgan is distinguished from a normal Tenchōgan through its appearance, which changes the form. The appearance differs from user to user and what other Dōjutsu used.