The prophet Tiresias is physically blind but is able to see much more clearly than anyone else in the play. The fact that Tiresias can see more then Oedipus even though he is blind shows us how ignorant Oedipus is because even though he is not blind physically, he can still not see the truth about himself while the “blind”
man can. The fact that Tiresias is blind but can see the future makes it seem like he has much more power than a normal prophet because the irony of the play makes it seem like he knows much more. Apparently Tiresias became blind because he accidentally saw Athena naked, and she covered his eyes with her hands, thus rendering him blind. When Tiresias' mother Chariclo asked Athena to restore her son's sight, the goddess could not undo her own action but gave him the gift of prophecy as compensation. Tiresias also mentions about Oedipus blindness and that him not wanting to know the truth will cause him his own downfall.
Listen to me. You mock my blindness, do you?
But I say that you, with both your eyes, are blind:
You cannot even see the wretchedness of your life,
Nor in whose you live, no, nor with whom. (Oedipus Rex, Scene 1, Line 195-198)
Oedipus Choice to be blind really makes us understand everything and makes us feel that all of this was told to us in scene 1 when Tiresias foreshadowed the fact that he Oedipus might have eyes but he is the one who is truly blind when Oedipus mocked his blindness “Listen to me. You mock my blindness, do you? But I say that you, with both your eyes, are blind (Oedipus Tex, Scene 1, Line 195-196). He is foreshadowing of what is going to happen to Oedipus. Oedipus reasons to be blind is justified in some ways and in other ways not so much, in one way the fact that he is blinding himself is understandable because death would be almost a gift for him because death would give him the ultimate peace and he would not have to suffer anymore then he already has. But in another sense what is the point of him living him anymore he has already committed the ultimate sins but he still has done good in his life and he deserves to have peace instead of suffer by living in the human world. He believes that when his life comes to an end he doesn’t want to see his mother and father in the afterlife because he is too ashamed to see his parents and believes that when he dies he will remain blind in the afterlife, as well as he does not want to see the world anymore because all there is for him to see is his sins and not even his own children faces can make him happy because he knows that he is both their father and brother. Oedipus blindness is much more metaphoric in the beginning that he is not able to see what is in front of him even though he has his eyes.