Cocaine and Other Illegal Drug Use Linked to Open-Angle Glaucoma
Researchers have found that cocaine use is predictive of open-angle glaucoma (OAG), and cocaine users have a 45 percent increased risk for the eye disease.
The study was of 5.3 million veterans, 91 percent of whom were male, who used outpatient clinics of the Department of Veterans Affairs during fiscal year 2009. About 83,000 (1.5 percent) had glaucoma, and about 178,000 (3.3 percent) had a diagnosis of cocaine abuse or dependency.
The men with OAG showed significant exposure to amphetamines and marijuana as well.
The glaucoma patients with a history of illegal drug use averaged 54 years of age, vs. 73 years for those patients without drug exposure.
The researchers did not discover a reason for the increased risk of glaucoma among the drug users and said the issue requires more investigation. A report of the study appeared in the September issue of Journal of Glaucoma.
Diabetes and Hypertension Increase Glaucoma Risk
ANN ARBOR, Mich., August 2011 — People with diabetes and/or hypertension are more likely to develop open-angle glaucoma (OAG) as well.
This finding is from a University of Michigan Kellogg Eye Center study of billing records of more than 2 million people 40 and older who were enrolled in a managed care network and who visited an eye care professional at least once from 2001 to 2007.
The diabetics in the group had a 35 percent increased risk for OAG, while those with hypertension alone had a 17 percent increased risk. The increased risk was 48 percent for people with both diabetes and hypertension.
The study was funded by the National Eye Institute, and the report appeared online in July in the journal Ophthalmology.
INDIANAPOLIS, October 2011
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