THE TIME COURSE CHANGES OF CHOROIDAL NEOVASCULARIZATION IN ANGIOID STREAKS


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Abstract

Purpose:To assess the clinical course of choroidal neovascularization (CNV) in patients with angioid streaks using optical coherence tomography and fluorescein angiography/indocyanine green angiography.Methods:We examined a consecutive series of 88 eyes of 44 patients with angioid streaks using color fundus photography, optical coherence tomography, and fluorescein angiography/indocyanine green angiography.Results:At the initial visit, 33 eyes exhibited no CNV, 2 exhibited polypoidal choroidal vasculopathy, 8 exhibited Type 1 CNV, 32 exhibited active Type 2 CNV, and 13 exhibited a fibrotic scar. In addition to the 2 eyes that exhibited macular polypoidal choroidal vasculopathy at the initial visit, 3 exhibited peripapillary polypoidal lesions, and 2 exhibited polypoidal lesions at the edge of the preexisting Type 2 CNV/fibrosis. During the follow-up, Type 2 CNV developed in 4 eyes on the basis of Type 1 CNV. Visual acuity was worse in eyes with Type 2 CNV and fibrosis than in those with Type 1 CNV, while polypoidal choroidal vasculopathy did not affect the visual acuity.Conclusion:Eyes with angioid streaks can develop any form of CNV including polypoidal choroidal vasculopathy. Considering the worse visual acuity in eyes with Type 2 CNV and fibrosis, patients should be carefully observed so as to treat them promptly when Type 2 CNV occurred beneath the fovea.

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