Board Thread:Naruto Discussions/@comment-46702312-20200902014722/@comment-32685487-20200904202302

Susanoo is only awakened with both MS eyes, Susanoo is used from the brain for the most part. Itachi did it while completely blind, and Madara did it with no eyeballs. Susanoo doesn't require the user to have eyeballs or his dojutsu active.