A healthcare provider may prescribe Rescula to help lower eye pressure in people with open angle glaucoma. It is also licensed to lower eye pressure in those who have ocular hypertension. Rescula comes as a solution that is used in the eye twice daily. Although most people do not experience any problems with it, side effects are possible and may include burning, stinging, and dry eyes.
Eye pressure is measured in millimeters of mercury (mmHg). In clinical studies, Rescula was shown to reduce eye pressure by 3 to 4 mmHg in people with an average eye pressure of 23 mmHg. An eye pressure over 22 mmHg is considered higher than normal.
How Does Rescula Work?
Medications used to lower eye pressure usually work by either decreasing the amount of fluid produced in the eye (known as the aqueous humor) or by increasing drainage of the aqueous humor from the eye. Rescula is thought to work by increasing fluid drainage from the eye.
More specifically, the drug may open certain channels in the trabecular network, a sponge-like tissue in the eye that is responsible for draining aqueous humor from the eye. However, the exact way in which Rescula works to reduce intraocular pressure is unknown.
Food and Drug Administration, Center for Drug Evaluation and Research. Electronic orange book: approved drug products with therapeutic equivalence evaluations. FDA Web site. Available at: http://www.fda.gov/cder/ob/. Accessed February 8, 2013.
National Library of Medicine (US). Drugs and Lactation Database (LactMED). NLM Web site. Available at: http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?LACT. Accessed February 8, 2013.
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