ΚΑΤΑ ΙΩΑΝΗΝ, chapter 6 213:

Οὐκ ἐπίστευσαν οὖν οἱ Ιοὐδαῖοι περὶ αὐτοῦ ὅτι ἦν τυφλὸσ καὶ ἀνέβλεψεν, ἑώσ ὅτου ἐφώνησαν τοὺσ γονεῖσ αὐτοῦ τοῦ ἀναβλέψαντοσ καὶ ἠρώτησαν αὐτοὺσ λέγοντεσ Οὗτόσ ἐστιν ὁ υἱὸσ ὑμῶν, ὃν ὑμεῖσ λέγετε ὅτι τυφλὸσ ἐγεννήθη;