How do images of vision and blindness relate to the theme of Oedipus Rex?

Quick answer:

Oedipus does not want to be blind, but once he is, he sees more than he ever could have with his sight.

Expert Answers

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I think that this becomes the most important element of the drama.  Oedipus, with sight, wanted to know the truth, to "see" it all and commanded everyone, including Chorus members, to disclose what they know.  In many respects, this desire to see caused his blindness.  When he is confronted with the results of his demands, it becomes too much and he blinds himself.  The act of blinding himself causes him to "see" more than he was able to with eyesight.  Through his blindness, he is able to see that his children (actually his siblings) will suffer more in their lives because of actions that are not theirs.  He also sees that their lives' difficulty has to prompt pity from the citizens of Thebes.  More importantly, Oedipus sees his own reality, not as a king, but as a human being.  His desire to be exiled and live a humble life, in constant pain and seeking to minimize it, is an element that he sees only after his blindness.  It is through this action of becoming blind is Oedipus able to understand that humility that is intrinsic in being human, something he was unable to see with physical sight.

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