Silver Book Fact
In 2001, approximately 5.6 million prescriptions were filled for glaucoma patients.
Rein D, Zhang P, Wirth K, Lee P, et al. The Economic Burden of Major Adult Visual Disorders in the United States. Arch Opthalmol. 2006; 124(12): 1754-60. http://archopht.ama-assn.org/cgi/content/abstract/124/12/1754