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LEARNING OBJECTIVES

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LEARNING OBJECTIVES

Upon completion of the chapter, the reader will be able to:

  1. Identify risk factors for the development of primary open-angle glaucoma (POAG) and acute angle-closure glaucoma.

  2. Recommend a frequency for glaucoma screening based on patient-specific risk factors.

  3. Compare and contrast the pathophysiologic mechanisms responsible for open-angle glaucoma and acute angle-closure glaucoma.

  4. Compare and contrast the clinical presentation of chronic open-angle glaucoma and acute angle-closure glaucoma.

  5. List the goals of treatment for patients with POAG suspect, POAG, and acute angle-closure glaucoma.

  6. Choose the most appropriate therapy based on patient-specific data for open-angle glaucoma, glaucoma suspect, and acute angle-closure glaucoma.

  7. Develop a monitoring plan for patients on specific pharmacologic regimens.

  8. Counsel patients about glaucoma, drug therapy options, ophthalmic administration techniques, and the importance of adherence to the prescribed regimen.

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INTRODUCTION

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Glaucoma refers to a spectrum of ophthalmic disorders characterized by neuropathy of the optic nerve and loss of retinal ganglion cells, which typically leads to permanent deterioration of the visual field (peripheral vision) initially and potentially total vision loss (including central vision). It is often, but not always, eye pressure related.1,2,3 Table 61–1 describes the general classification of glaucoma. Glaucoma Suspects are patients with a higher than average risk of developing glaucoma because of the presence of certain clinical findings, family history, or racial background. Glaucoma suspects can be further classified as open-angle glaucoma suspects or angle-closure glaucoma suspects.

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Table Graphic Jump Location
Table 61–1Glaucoma Classifications
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Primary open-angle glaucoma (POAG) and primary angle-closure glaucoma (PACG) represent the most common types of glaucoma and therefore are the focus of this chapter. A common presentation of PACG is acute angle-closure crisis (AACC). AACC is the sudden obstruction of the trabecular meshwork, which leads to rapid increases in IOP resulting in pressure-induced optic neuropathy if untreated.1,2,3,4 KEY CONCEPT Patients with POAG typically have a slow, insidious loss of vision. This is contrasted by the course of AACC, which can lead to rapid vision loss that develops over hours to days.

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EPIDEMIOLOGY AND ETIOLOGY

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It is estimated that almost 65 million people had glaucoma in 2013, making ...

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