Lunch was about to be served, and Harry was hoarse. He had read from three books while browsing four more. They had abandoned more than half of Hermione's sources since the problem seemed to be mental or at least located in the brain and not the eyes. After the third volume, the teenager shoved the books away, suppressing an apology at Hermione's disapproving glare. Rubbing the bridge of his nose, he still was not entirely used to not needing glasses, he thought, "If we at least knew the wording of the spell, that might help to identify a counter."