"Then He touched their eyes , saying, "According to your faith let it be to you " (Matt. 9:29)
The Master Touch produces sight (excerpts from, So I Send You, Workmen of God - byOswald Chambers)
In human sight the thing we soon first loose is what Ruskin called, "the innocence of the eye".
If you have ever been taught by anyone to see(as in art), you will know what that means. Drummond said that Ruskin taught him to see. An artisit does not tell us WHAT he sees, he ENABLES us to see: he communicates the unutterable identity of what he sees.
Jesus never tells us what to see, but when His touch is upon our eyes ,we KNOW that we see WHAT He is seeing. He restores the pristine innocence of sight. "Unless one is born again, he cannot see the kingdom of God" (John 3:3)
Paul was sent by God to "open their eyes, in order to turn them from darkness to light" (Acts 26:18)
The Master (Artist,God) used strange things to open blind eyes, spittle, clay, and water from a pool, but rememeber He used them, and He produced the miracle of sight.