Oedipus Rex unconditional (Laius "will" have a son who will kill him). Both Aeschylus and Euripides write plays in which the oracle is conditional; Sophocles ... chooses to make Laius's oracle unconditional and thus removes culpability for his sins from Oedipus, for he could not have done other than what he did, no matter what action he took. This interpretation is supported by Jocasta's repetition of the oracle at lines 854–55: "Loxias declared that the king should be killed by/ his own son." In the Greek, Jocasta uses the verb "chrênai": "to be fated, necessary." This iteration of the oracle seems to
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