Incident choroidal neovascularization in fellow eyes of patients with unilateral subfoveal choroidal neovascularization secondary to age-related macular degeneration: SST report no. 20 from the Submacular Surgery Trials Research Group

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Abstract

Objective: To describe incident choroidal neovascular lesions in fellow eyes of participants in the Submacular Surgery Trials who had age-related macular degeneration (AMD). Methods: Review of baseline fluorescein angiograms confirmed the absence of neovascular AMD in fellow eyes of 364 participants at risk. Subjects were eligible for a minimum of 2 years of follow-up with angiograms of eyes at risk reevaluated to estimate incidence rates of choroidal neovascularization (CNV) and to characterize these lesions. Main Outcome Measures: Incidence of CNV during follow-up, characteristics of the incident lesion (composition, size, and location), and visual acuity at the time of incidence. Results: Incident lesions were confirmed in 98 fellow eyes of participants, yielding 2- and 4-year cumulative incidence rates of 22% and 37%. Incident lesions were predominantly CNV in 87 fellow eyes (90%), extrafoveal in 29 fellow eyes (30%), and juxtafoveal in 9 fellow eyes (9%). Occultwithout classic CNV lesions were found in 64 eyes (67%), minimally classic CNV and predominantly classic CNV lesions in 12 eyes (13%) each, and predominantly blood lesions in 4 eyes (4%). Nearly two-thirds of all incident lesions were 3 disc areas or smaller in size. Median visual acuity decreased from 20/25 at baseline to 20/250 at the 4-year follow-up in fellow eyes with incident CNV. Conclusions and Application to Clinical Practice: Frequent angiographic follow-up of fellow eyes at risk for CNV may lead to earlier detection and treatment of neovascular AMD and better visual acuity outcomes. Trial Registration: clinicaltrials.gov Identifier: NCT00000150

Original languageEnglish (US)
Pages (from-to)1323-1330
Number of pages8
JournalArchives of ophthalmology
Volume125
Issue number10
DOIs
StatePublished - Oct 1 2007

ASJC Scopus subject areas

  • Ophthalmology

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