I think that it was mostly positive because before the operation like he got made fun of and didnt get to see as much of the world like everyone else did. He also didnt get to know what alot of stuff meant. After the operation he got to see more of the world in our eyes and not how he had been seeing it. He didnt get made fun of and plus he got to feel like he was helping other people in a way that he could never do before. Thats why I think that the operation was a positive thing for him to get.