Well, the sister's eyes are exaggerated, and there is the whole thing about "not seeing the person who pushed her," but there aren't really any obvious examples of "seeing" in this chapter. There's of course seeing in the usual sense of "using your eyes to see the monster," but that's not really special. Maybe everything the perspective character is seeing here is fabricated, then? That could fit it into the theme, but there's not really any evidence for it.