After reading this over at Dwindling Unbelief, you will have all the evidence you could possibly ask for to convert to Islam.
Habib, either the son of Fudayk or Furayk’s said that his father’s eyes became so white that he had no vision at all. The Messenger of Allah, praise and peace be upon him, blew some of his saliva in to his eyes whereupon his vision was immediately restored. He was even seen threading a needle at the age of eighty! (p. 188)
Go on, read it: Who had the most powerful spit: Jesus or Muhammad?