In this context he uses the metaphor because the literary device sight is used to build Oedipus Rex and his inability to see
Explanation:
The time to reflect for Oedipus sins are given by making him blind his physical blindness gives him the time to reflect upon his mistakes done over the period of time
This refers to the knowledge that is the thing that he is unable to see he himself understands that this was the time for him to repent on his mistake and Aristotle points that the tragic of Oedipus life was due to his excessive pride and self righteous
