Tom Riess 's comments re: the role of visdion in dyskinesia reminds me that in past years there has been list-discussion of using "blue glasses" to help with dys. Have you seen that, Tom? If not, check the archive and see how it may or may not fit with your theories. Camilla Flintermann, CG for Peter 81/70/55 Oxford, Ohio http://www.newcountry.nu/pd/members/camilla/one.htm <[log in to unmask]> "Ask me about the CARE list for Caregivers of Parkinsonians ! "