Of course you'll stay with them if they don't want to come.

[ He never would have expected anything different; they're her family, and Cisco understands how much that means to Arya. He listens to her other concerns, sees her body language and hears how quiet her voice has gone. His own tone is gentle as he addresses each point. ]

I know it'll be hard. Hopefully, whatever way we find out of here won't do that, but if you are blind again, well, we've got some pretty great doctors in my world. If they can't fix it, I'll make you some tech that will. We can just communicate in emojis 'til we learn each other's languages. And... if you get confused... we'll think up ways to minimize the damage before that happens. There are people who can help, in Central City. People a lot more qualified than me.