Silver Book Fact
The average cost in 2004 per diabetic retinopathy patient age 40 to 64 using outpatient services was $629. The average cost per patient 65 years and older was $463.
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