Oedipus at Colonus sons, in the end Oedipus is accepted and absolved by Zeus. In the years between the play's composition and its first performance, Athens underwent many changes. Defeated by the Spartans, the city was placed under the rule of the Thirty Tyrants, and the citizens who opposed their rule were exiled or executed. This certainly affected the way that early audiences reacted to the play, just as the invasion of Athens and its diminished power surely affected Sophocles as he wrote it. The play contrasts the cities of Athens and Thebes quite sharply. Thebes is often used in Athenian dramas as
Oedipus Rex to anyone. Literal and metaphorical references to eyesight appear throughout "Oedipus Rex". Clear vision serves as a metaphor for insight and knowledge, but the clear-eyed Oedipus is blind to the truth about his origins and inadvertent crimes. The prophet Tiresias, on the other hand, although literally blind, "sees" the truth and relays what is revealed to him. "Though Oedipus' future is predicted by the gods, even after being warned by Tiresias, he "cannot" see the truth or reality beforehand because his excessive pride has blinded his vision…" Only after Oedipus has physically blinded himself does he gain a limited prophetic