Who is Stesichorus from Phaedrus and what is their importance?

Stesichorus, Euphemus' son from Himera, was a poet who wrote about Helen and Trojan War and was blinded. After restoring the negative image of Helen that he incorporated in his poem called Recantation saying that there is no truth in it his sight was restored. The allegory to Stesichorus is intended as a warning that truth should be told. Socrates subsequently attempts to be truthful in his next speeches.