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Glaucoma

Description

An in-depth report on the causes, diagnosis, treatment, and prevention of glaucoma.

Highlights

Drug Approval

Bimatoprost (Lumigan) has been approved as a first-line treatment for open-angle glaucoma.

Glaucoma Cases Increasing Worldwide

About 60 million people worldwide will have glaucoma by 2010, and the number will increase to nearly 80 million by 2010, according to a recent study in the British Journal of Ophthalmology .

Weightlifting May Increase Glaucoma Risk

Weightlifting can cause a temporary increase in intraocular eye pressure (IOP), and holding your breath while lifting weights further increases IOP, suggests a 2006 study in the Archives of Ophthalmology . Doctors should ask patients with normal-tension glaucoma if they engage in weightlifting exercise.

IOP and Posture

IOP increases in some people when they are lying prone during sleep, yet glaucoma exams measure IOP in patients while they are sitting upright and awake, notes a 2006 study in the Archives of Ophthalmology . The researchers caution that posture may affect the interpretation of IOP readings.

Pregnancy and Glaucoma

The course of glaucoma is unpredictable during pregnancy -- IOP may remain stable in some women and increase in others, indicates a 2006 study. Although glaucoma eye drops can increase the risk of some pregnancy problems, especially during the first trimester, some pregnant women may need to continue to take glaucoma medication. Be sure your ophthalmologist carefully evaluates your individual case and explains the risks and benefits of taking medication during pregnancy.

Diabetes and Glaucoma

Type 2 diabetes increases the risk for open-angle glaucoma (the most common type of glaucoma). People with type 2 diabetes need to get regular glaucoma screenings.

Glaucoma Surgery

• Tube shunts may work better than trabulectomy surgery for some patients with glaucoma, suggests a 2007 study.
• Phacoviscocanalostomy, a surgery procedure that combines phacoemulsification (used for cataract surgery) and viscocanalostomy (used for glaucoma surgery), is safe and effective for patients who have both glaucoma and cataracts, indicates a 2006 study.

• Review Date: 3/3/2007
• Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital.

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