I have had an experience which I hope will benefit others. I had trouble getting into the photofocus state,diverging eyes,"soft" eyes, etc.
What I did just for fun was to place my fingers in front of my pupils(I wear glasses). I tested whether or not my fingers were directly in front by closing each eye alternatively to see if my vision was blocked. After this I slowly moved my fingers laterally to the edge of my glasses. As I did this I focused on each finger. Then I looked at the stereogram and Instantly saw the word "PHOTOREAD" written in a circular pattern. When I photoread I had a big "blip" page in the center of the page. The words were softly out of focus but I believe this is the photofocus state. Try this exercise and please comment on it. Thanks.