1 The Lord Jesus, as we heard when the Holy Gospel was being read, opened the eyes of a man who was born blind. Brethren, if we consider our hereditary punishment, the whole world is blind. And therefore came Christ the Enlightener, because the devil had been the Blinder. He made all men to be born blind, who seduced the first man. Let them run to the Enlightener, let them run, believe, receive the clay made of the spittle. The Word is as it were the spittle, the Flesh is the earth. Let them wash the face in the pool of Siloa. Now it was the Evangelist's place to explain to us what Siloa means, and he said, “which is by interpretation, Sent.” Who is This That is Sent, but He who in this very Lesson said, “I have come to do the works of Him That sent Me.” Lo, Siloa, wash the face, be baptized, that you may be enlightened, and that you who before saw not, may see.
Source: Sermons on Selected Lessons of the New Testament (New Advent)