Board Thread:Episode Discussion/@comment-27312496-20181031035725/@comment-5430952-20181101192334

Either that or they were overused, leading to her current blindness, and thus the need for ocular prosthetics. The fact that they can even blink and squint makes her look more human in spite of her artificial eyes. Perhaps she'll warn Ruby of the danger of becoming too dependent on them, and that's if she actually had silver eyes. Though we're bound to find out as the Volume progresses.