Luke 24:16
But their eyes were not open that they might have knowledge of him.
John 20:14
And then looking round, she saw Jesus there, but had no idea that it was Jesus.
John 21:4
Now very early in the morning Jesus was there by the edge of the sea (though the disciples were not conscious that it was Jesus).
Luke 24:31
And then their eyes were open, and they had knowledge of him, but he went from their view.
2 Kings 6:18-20
Now when the Aramaeans came down to Elisha, he made a prayer to the Lord saying, Lord, make this people blind. And he made them blind at Elisha's request.
Mark 16:12
And after these things he was seen in another form by two of them, while they were walking on their way into the country.