Board Thread:Boruto Discussions/@comment-35430833-20181017183830/@comment-5407586-20181017184439

Dark-Salamander35 wrote: Why is it black like Edo Tensei! The sclera is black only in the anime, in the manga it's normal.

While reanimated people have grey/black sclerae, I can think of at least one character who had unusual eyes even while alive.