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Odds of Visual Field Testing for Glaucoma Decreased

by Bidita Debnath on  December 12, 2012 at 12:54 PM Research News   - G J E 4
From 2001 through 2009, the odds of individuals with open-angle glaucoma undergoing visual field testing decreased for all racial/ethnic groups.
 Odds of Visual Field Testing for Glaucoma Decreased
Odds of Visual Field Testing for Glaucoma Decreased
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But the odds decreased the most for Hispanic men and women in a study of enrollees in a large U.S. managed care network, according to a report published in the December issue of Archives of Ophthalmology, a JAMA Network publication.

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Open-angle glaucoma (OAG) affects more than 3 million individuals in the United States and is a major cause of visual impairment. Studies have found the condition is more prevalent in racial minorities compared with whites, and that racial minorities are more likely to experience vision loss and blindness from OAG, according to the study background.

Joshua D. Stein, M.D., M.S., and colleagues at the University of Michigan, Ann Arbor, examined whether racial disparities exist in the use of ancillary testing to evaluate individuals with open-angle glaucoma. Researchers identified all enrollees age 40 years and older in a large managed care network who had retinal or optic nerve conditions that could warrant ancillary testing.

Among the 797,879 eligible enrollees, 149,018 individuals had open-angle glaucoma. Researchers performed statistical analyses to determine the odds and probabilities each year of undergoing visual field testing and other procedures for black (n=15,905), white (n=118,062), Hispanic (N=9,376) and Asian American (n=4,350) men and women and then compared the groups, according to the study.

The odds of undergoing visual field testing decreased for all groups from 2001 through 2009, decreasing most for Hispanic men and women (63 percent and 57 percent, respectively) and least (36 percent) for Asian-American men. By comparison, the odds of undergoing other ocular imaging increased for all groups from 2001 through 2009, increasing most (173 percent) for black men and women and least (77 percent) for Hispanic women, according to the study results.

"While it is encouraging that black individuals are receiving similar or greater levels of monitoring of OAG relative to white individuals, it is disconcerting that there are significant disparities in glaucoma testing among the Hispanic population, the fastest growing racial minority in the United States," the authors comment.

The authors note further research should focus on reducing racial disparities.

"Although increases in glaucoma testing have been noted in recent years among Hispanic men and women for some types of ancillary tests, efforts should be made to better understand and overcome some of the persistent barriers to monitoring for glaucoma in this group," they conclude.(Arch Ophthalmol. 2012;130[12]:1579-1588.

Editor's Note: This study was funded by an award from the National Eye Institute, a grant from the American Glaucoma Society, a grant from the Blue Cross Blue Shield of Michigan Foundation and a grant from Research to Prevent Blindness. Please see the article for additional information, including other authors, author contributions and affiliations, financial disclosures, funding and support, etc.

Source: Eurekalert
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