I Googled "ADD and eye problems"

[ted]

And here's a couple pages I skimmed through.

<!-- m --><a class="postlink" href="http://www.childrensvision.com/ADD.htm">http://www.childrensvision.com/ADD.htm</a><!-- m -->

<!-- m --><a class="postlink" href="http://www.myvisiondoc.com/add.htm">http://www.myvisiondoc.com/add.htm</a><!-- m -->

I don't think these people know anything about the Bates method but it seems like they are describing very closely the ideas that Bates was trying to convey. The end of the second article even mentions centralizing, shifting, and visualization.