Board Thread:Versus Debates/@comment-26388300-20160301040622/@comment-26636534-20160320233025

It won't work on dojutsu directly, it would block signals from the brain to the eyes, effectively making the target's eyes useless. So using the Sharingan to "see" through genjutsu won't be possible, because under this genjutsu the target won't see anything in the first place. I hope you can understand this argument.