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Maryse, The blue tinted eyeglass lenses are very effective for some people in reducing dyskinesia. When my wife Nancy was experiencing uncontrollable dyskinesia (pre 1995) the blue tinted lenses would always cause the dyskenesia to improve and on many occasions it would cease. I must admit that I was stunned by how well this worked for my wife. The theory, as I understood it, was that light received through the eye stimulates dopamine production. If you already have dyskinesia from excessive dopamine, light could aggrevate the dopamine balance. The blue tinted lenses in theory transformed the light so that less dopamine would be produced. In 1995 Nancy had pallidotomy surgery which eliminated the disabling dyskinesia. Because of that successful procedure, she no longer wears the blue tinted lenses. As far as balance goes, the indirect benefit from reduced dyskinesia would improve balance, but I can't say that her balance was directly improved. Hope this is helpful. Bob Martone [log in to unmask] http://www.samlink.com/~bmartone -----Original Message----- From: Parkinson's Information Exchange Network [mailto:[log in to unmask]]On Behalf Of maryse schild Sent: Thursday, November 15, 2001 12:38 PM To: [log in to unmask] Subject: specs Hello, someone on the french list who had DBS in '99 and still has problem walking would like to know about the PD spectacles. I think they are blue but cannot find the info. If someone has it, I would welcome the inf. Thanks Maryse cg John, 72,12 ----------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn