This brief tract, probably from ca 2004, mentions Psychology of Vision and also tries to clarify the place of A Course in Miracles in the Christian universe, made problematic by the claim that the work was dictated/channeled by Jesus Christ 1965-1972.
http://www.christiansawakening.org/wp-content/uploads/2013/11/Study-Book-2-Christians-Today-opening-to-a-New-Awareness-for-the-web-1.pdf
[Update Aug. 17, 2020: Nonfunctional link]