In literature, blind characters often convey a special symbolism; perhaps a gifted intellect, someone with great insight, an evil-force of destruction or a helpless victim. The reason why a blind character may flexible symbolic device depends thoroughly on the author or the poet, as well as on the notions represented by religious or social conditions of each era respectively. For instance, according to the ancient Greeks, blindness was socially considered to be a punishment from the Gods; Judeo-Christian literature positioned it similarly as a flaw, the cure of which could possibly be achieved only through God's love and forgiveness, if redemption from the human being's part was shown. Almost without exception in early literature, blind people could suffer this condition through sin or trespasses against the gods, but were never the sole instruments of its reversal. Among realistic, modern and postmodern movements, the literary device of blindness has contributed more to sending subconscious messages in terms of social content to the readership or the audience of that time. To start with, it is very interesting to study how the ancient Greeks had chosen to use blindness in their tragedies. A very stunning example of a blind character and how it functions within the plot and the ethical lessons conveyed in it, relies on the tragedy of "Oedipus the King . Sophocles, one of the most outstanding representatives of ancient Greek tragedies, had decided to incorporate a very crucial role of a blind character within this tragedy, in order to play with the mind of his audience and make it subconsciously gap into deep consideration regarding "insight . The motif of seeing and not seeing, which is seeing literally via eyes and metaphorically via the soul, is presented since the beginning of the play by the implications of the use of words, such as "see," "sight," "vision," "eyes," and "blind." However, it becomes crystal clear when the