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Narrow Angle Glaucoma
Narrow-angle glaucoma occurs when the colored portion of your eye (iris) is pushed or pulled forward causing blockage of the drainage angle of the eye, where the trabecular meshwork allows outflow of fluids causing a rise in intraocular pressure.
Narrow angle glaucoma is generally a chronic and asymptomatic disease, but rarely presents acutely leading to what is known as Acute angle-closure glaucoma. Leading to such symptoms as eye pain, headaches, halos around lights, dilated pupils, vision loss, red eyes, nausea, and vomiting. This is a medical emergency and if high eye pressure is not reduced within hours, it can cause permanent vision loss. Anyone who experiences these symptoms should contact an ophthalmologist immediately or go to a hospital emergency room.
What risk factors to developing narrow angle glaucoma? Risk factors include older age, Asians, and female sex predisposing.
- Age. As we age, our ocular lens (that sits behind the pupil) grows larger increasing the risk for the iris to block the flow of fluid called pupillary block.
- Race. Asians, as well as Inuit-Americas and other northern indigenous people have anatomically narrower anterior chamber leading to a have a higher incidence of angle-closure glaucoma.
- Sex. Among Caucasians, females three times more likely than in men to develop narrow angles secondary anatomically narrower chambers.
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Open Angle Glaucoma
In early Primary open-angle glaucoma (POAG) there are generally no warning signs — no pain or vision loss. But by the time one notices something is wrong, the disease has advanced significantly.
During your glaucoma evaluation, our doctors will do a thorough analysis of your optic nerve anatomy and function. Testing performed will include Visual Field, Optical Coherence Tomography, Gonioscopy, and Tonometry.
Several glaucoma treatment options exist and the choice of which treatment strategy to pursue can depend on which type of glaucoma exists. Options include drops, laser, surgery and pills.