Stephen J. Schueler, M.D.

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Angle Closure Glaucoma Chronic Underlying Cause

The eye is filled with clear fluid, called aqueous humor, which is produced by special cells inside the eye. Aqueous humor drains from the eye and into the bloodstream. Normally, the rate of aqueous humor production is equal to the rate of drainage. The constant flow of aqueous humor maintains a constant pressure that supports the structures inside the eye; it also provides oxygen and nutrients to the inside of the eye.

In those who have glaucoma, the drainage system does not function normally. As a result, aqueous humor does not drain from the eye. This increases the pressure inside the eye, which damages the optic nerve. It is not known why the drainage system malfunctions.

Continue to Angle Closure Glaucoma Chronic Anatomy

Last Updated: Jan 6, 2009 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Angle Closure Glaucoma Chronic References
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  2. Deokule S, Sadiq S, Shah S. Chronic open angle glaucoma: patient awareness of the nature of the disease, topical medication, compliance and the prevalence of systemic symptoms. Ophthalmic Physiol Opt. 2004 Jan;24(1):9-15. [14687196]
  3. Fraser S, Bunce C, Wormald R. Risk factors for late presentation in chronic glaucoma. Invest Ophthalmol Vis Sci. 1999 Sep;40(10):2251-7. [10476790]
  4. Martus P, Stroux A, Budde WM, Mardin CY, Korth M, Jonas JB. Predictive factors for progressive optic nerve damage in various types of chronic open-angle glaucoma. Am J Ophthalmol. 2005 Jun;139(6):999-1009. [15953429]
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