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首页> 美国政府科技报告 >Primary Care Screening for Ocular Hypertension and Primary Open-Angle Glaucoma. Evidence Synthesis Number 34
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Primary Care Screening for Ocular Hypertension and Primary Open-Angle Glaucoma. Evidence Synthesis Number 34

机译：眼部高血压和原发性开角型青光眼的初级保健筛查。证据综合编号34

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Primary open-angle glaucoma (POAG) is a leading cause of blindness and vision-related disability. This review examines the effectiveness of screening and treatment of asymptomatic individuals with early POAG. We identified studies of glaucoma screening and treatment from MEDLINE, the Cochrane Library, and glaucoma experts. Two reviewers abstracted relevant studies and graded articles according to U.S. Preventive Services Task Force criteria. No randomized, controlled trials of population screening for POAG have been reported. We found no population-based studies demonstrating that screening is feasible, accurate, or reliable for detecting early glaucoma. Two randomized, controlled trials examined the efficacy of treatment to lower intraocular pressure (IOP) compared with no treatment for persons with early primary open-angle glaucoma. In a Swedish trial, treatment reduced progression at 5 years from 62% without treatment to 45% with treatment (ARR 17%, NNT 5.8, p = 0.007). In a U.S. trial of patients with early POAG and normal IOP, progression at 5 years was observed in 39% without treatment and 33% with treatment (p = 0.21). The benefit of delaying progression of visual field loss on vision-related function in patients with early POAG is unclear. The principal harm of treatment is loss of visual acuity due to an increased risk of cataract formation. Treatment to lower intraocular pressure may delay progression of visual field deficits in some asymptomatic individuals with early POAG. Further studies of population screening are needed to demonstrate that early recognition and treatment of glaucoma in asymptomatic patients is effective in improving vision-specific functional outcomes and health-related quality of life.

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