Standing there without sight, speech, or movement (his legs are riveted together), Teiresias himself becomes a kind of kolossos, an image of death among the living.
Vernant argues that Athena’s blinding of Teiresias transforms him structurally into a kolossos — an effigy of absence — while reserving for him, uniquely among the dead, full intellectual retention of phrenes and noos.
, Myth and Thought Among the Greeks, 1983thesis