What happened to the tomoe in Sasuke's Rinnegan? Sasuke's Rinnegan (pre-chapter 700) had six tomoe.



In Naruto Gaiden: The Seventh Hokage chapter 6, when Sasuke's Rinnegan is shown, it doesn't have the tomoe:





What happened to the tomoe in his Rinnegan? Is this an error or is there something else to it?
The latest manga of Naruto Gaiden: The Seventh Hokage, show us that his eye was weakened and that's why he didn't have tomoe in his Rinnegan or why he couldn't activate his Eternal Mangekyō Sharingan.

It was weakened because he tried to open dimensions with his eyes which consumes a lot of chakra, as Obito had tried before he died in the battle with Kaguya.