Risk factors for choroidal neovascularization in the second eye of patients with juxtafoveal or subfoveal choroidal neovascularization secondary to age-related macular degeneration. Macular Photocoagulation Study Group

Archives of Ophthalmology

Abstract

To verify and quantify previously reported risk factors for development of choroidal neovascularization (CNV) in the fellow eye of patients with 1 eye affected with CNV secondary to age-related macular degeneration, to examine the value of characteristics of the pericentral macula in the quantification of risk for developing CNV, and to explore whether the presence of occult CNV in the first eye affects the development of CNV in the fellow eye. Follow-up study of fellow eyes of 670 patients enrolled in multicenter, randomized clinical trials of laser photocoagulation of juxtafoveal or subfoveal CNV. Development of CNV. Three characteristics of the central macula of the fellow eye and 1 systemic factor were associated independently with an increased risk of developing CNV: the presence of 5 or more drusen (relative risk, 2.1; 95% confidence interval, 1.3-3.5), focal hyperpigmentation (relative risk, 2.0; 95% confidence interval, 1.4-2.9), 1 or more large drusen (relative risk, 1.5; 95% confidence interval 1.0-2.2), and definite systemic hypertension (relative risk, 1.7; 95% confidence interval, 1.2-2.4). Estimated 5-year incidence rates ranged from 7% for the subgroup with no risk factors to 87% for the subgroup with all 4 risk ...Continue Reading

Associated Clinical Trials

Citations

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Feb 3, 2006·Proceedings of the National Academy of Sciences of the United States of America·Miho NozakiJayakrishna Ambati
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