Talk:Kakugan/@comment-173.225.154.151-20180113220349/@comment-10733658-20180113231756

^ I was thinking the same thing. Blindness is the result of damage, usually traumatic injury or illness. A ghoul's regeneration would probably prioritize their regeneration to something as crucial for survival as eye sight.

On the other hand, there are ghouls that wears glasses. It isn't clear how that mechanic works, since it hasn't been elaborated on beyond Haise commenting on how it seemed like his eye sight was getting worse over time. (Of course, glasses are common with people that do a lot of reading because of repetitive strain.)