I don't care how they do it, they need to give us a way to restore her sight. Y'Shtola is one of the few characters that has been with us since the very beginning and for us to have finally rescued her, only to watch her slowly die in front of us anyway is nothing short of unacceptable. Especially when you take into account that one of those responsible for her blindness is still sitting pretty on the Syndicate. We even are shown a scene where we are sitting at that table with him and nothing is even mentioned about what he did to us and the other scions.

Welp he replaced poison with a sleeping drug so clearly everything is forgiven! No need to talk about all the missing scion's, not so much as a word..