Few well - designed studies have been done on blepharospasm. (sciencedaily.com)
The work and the researchers involved were supported by grants from the Dystonia Coalition, the Office of Rare Diseases Research at the National Center for Advancing Translational Sciences and the National Institute of Neurological Disorders and Stroke, the Bachmann - Strauss Dystonia & Parkinson Foundation, the Benign Essential Blepharospasm Research Foundation, the Kavli Institute for Brain and Mind at UCSD, the National Institute of Mental Health, and the National Science Foundation. (salk.edu)
That's because the rating scales for blepharospasm are notoriously subjective and unreliable. (salk.edu)