Hence in example sentence
Perhaps that is the romantic image many Americans have of the time this film is set, as it is in the middle of the War, Macy has returned from the war (His neighbor asks "Hey, is it true you got a Fritz over there?") and is trying to get on with his life but one day he gets a new pair of glasses (hence the name) and sees things clearly as the surrounding situation reveals itself to be one of rabid anti-semitism, and Macy and Dern could wrapped up in it.