Around 50% of those with glaucoma are not aware that they have the disease.
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Friedman, David S., Roger C.W. Wolfs, Benita J. O'Colmain, Barbara E. Klein, Hugh R. Taylor, Sheila West, M. Cristina Leske, Paul Mitchell, Nathan G. Congdon, and John Kempen. "Prevalence of Open-Angle Glaucoma Among Adults in the United States". Archives of Ophthalmology. Vol. 122, No. 4, pp. 532-8. [ Permalink ] |