We still have

Michael gets to know Randy well enough to recognize him at a distance from behind and out of context. That's a lot of familiarity.

Skittles / Dr. Duncan all kinds of stuff there. Does he know Lizzy? Did he know Ink prior? Does he link with Kelly in inks trial? Just way too many speculative possibilities

And don't forget ( Scott Marvin lol) HOPE! She would not have learned Braille, but if she gets her sight back she can fill in a journal and even then if she doesn't she is still can fill in some banks.