"You do not strongly desire your sight back?"

Because that seems like it would be one of those things that are extremely frustrating, especially given how Eiji had panicked, before. Chase has experienced a Complicated Emotion (tm), but only in regards to his purpose and split loyalties. Not having desire was not his problem; in fact, it's not a problem that he's seen, and so he can't quite connect to what Eiji's saying.

"...You have had strong personal desires before?"