Theophylact of Ohrid

During the journey the Lord performs a miracle upon the blind man, so that even His passing would not be a lesson without benefit for us and for the disciples of Christ, so that we in all things, always and everywhere would bring benefit, and nothing in us would be idle.

Commentary on Luke ↗

Augustine of Hippo

We might understand the expression of being nigh to Jericho, as if they had already gone out of it, but were still near. It might, though less common in this sense, be so taken here, since Matthew relates, that as they were going out of Jericho, two men received their sight who sat by the way side. There need be no question about the number, if we suppose that one of the Evangelists remembering only one was silent about the other. …

Catena Aurea by Aquinas ↗

Ambrose of Milan

In the Gospel according to St. Matthew, two men are depicted, but Luke depicts one. Matthew depicts it as Jesus was leaving Jericho, but Luke as he was approaching the city. Otherwise there is no difference. The image of the Gentile people is in this case one man who through the divine blessing received the clarity of his lost sight. …

Commentary on Luke ↗

Gregory the Dialogist

Or, blindness is a symbol of the human race, which in our first parent knowing not the brightness of heavenly light, now suffers the darkness of his condemnation. Jericho is interpreted 'the moon,' whose monthly wanings represent the feebleness of our mortality. While then our Creator is drawing nigh to Jericho, the blind is restored to sight, because when God took upon Him the weakness of our flesh, the human race received back the light which it had lost. …

Catena Aurea by Aquinas ↗