'Eyes' in the Bible

because my eyes have seen your salvation,

Then he rolled up the scroll, gave it back to the attendant, and sat down. While the eyes of everyone in the synagogue were fixed on him,

Then turning to his disciples in private, he told them, "How blessed are the eyes that see what you see!

but their eyes were prevented from recognizing him.

Then their eyes were opened, and they knew who he was. And he vanished from them.