But the Jews did not believe concerning him, that he had been blind, and received his sight, until they called the parents of him that had received his sight.
All Commentaries on John 9:18 Go To John 9
Theophilus of Antioch
AD 184
Either, say they, it is not true that he now sees, or it is untrue that he was blind before: but it is evident that he now sees; therefore it is not true that he was born blind.
For they were fainthearted; not like their son, that intrepid witness to the truth, the eyes of whose understanding had been enlightened by God.