Concepedia

Direct Costs of Blindness Experienced by Patients Enrolled in Managed Care

Kevin D. Frick, John G. Walt, Tina H. Chiang, John Doyle, Lee Stern, Laura M. Katz, Margarita Dolgitser, Sarah K. Hendlish

Ophthalmology · 2007 · 20 citations · 13 references

DOI

Concepts

References

13

A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation

Mary E. Charlson, Peter Pompei, Kathy L. Aleš et al. · Journal of Chronic Diseases · 1987 · 48.8K citations

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Causes and Prevalence of Visual Impairment Among Adults in the UnitedStates

Archives of Ophthalmology · 2004 · 2.6K citations · Full text

Methods in observational epidemiology

Ian Leck · Journal of Epidemiology & Community Health · 1987 · 1.3K citations · Full text

, , +4

The magnitude and cost of global blindness: an increasing problem that can be alleviated

Kevin D. Frick, Allen Foster · American Journal of Ophthalmology · 2003 · 317 citations

, , +2

High and rising health care costs.

Paul Β. Ginsburg · PubMed · 2008 · 200 citations

, , +17