The exact cause of glaucoma is unknown, though some experts believe that inner pressure in the eye is the cause. Some people with normal intraocular pressure, though, develop glaucoma. There are several different precurs... More » Health Vision

Narrow-angle glaucoma, also called angle-closure glaucoma and closed-angle glaucoma, is caused by the forward movement of the iris. This movement obstructs the eye's drainage channel and causes pressure to build up in it... More » Health Vision

Side effects of glaucoma surgery include increased pressure in the eye, scarring, blister formation and cataracts. Side effects vary based on the procedure, according to The New York Times. More » Health Medical Ranges & Levels
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Narrow-angle glaucoma occurs when the iris is pushed forward and the pressure inside the eye increases significantly, according to Gary Heiting, O.D., for All About Vision. The increased pressure can cause injury to the ... More » Health Vision

Sleeping with the head elevated about 20 degrees helps to decrease intraocular pressure, or pressure inside the eye, which may help prevent or control glaucoma, reports All About Vision. Lower pressure occurs in both gla... More » Health Vision

Prostaglandin analogs, which are found in eye medications used for glaucoma, can change a patient's eye color. This can be a side effect of using prescribed eye drops with this active ingredient, states the Glaucoma Rese... More » Health Vision

Non-surgical treatments for glaucoma include medications, such as eye drops or pills, consistent exercise and relaxation techniques. Treatment methods for glaucoma vary depending on the severity of the disease. Early ons... More » Health Vision