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要約 目的:滲出型加齢黄斑変性に対する光線力学療法の報告。対象と方法:中心窩下に脈絡膜新生血管がある広義の加齢黄斑変性49例51眼を対象とした。フルオレセイン蛍光造影による分類で,predominantly classicが7眼(14%),minimally classicが18眼(35%),occult with no classicが26眼(51%)であった。全例を1年以上観察し,2段階以上の視力の変化を改善または悪化とした。結果:視力は51眼中10眼(20%)で改善,27眼(53%)で不変,14眼(27%)で悪化した。ポリープ状脈絡膜血管症7眼については,改善が4眼(57%),不変が2眼(29%),悪化が1眼(14%)であった。結論:滲出型加齢黄斑変性に対する光線力学療法では,約70%の症例で視力の改善または維持が得られた。本療法はポリープ状脈絡膜血管症に対しても有効であった。
Abstract. Purpose:To report the outcome of photodynamic therapy for exudative age-related macular degeneration. Cases and Method:This retrospective study was made on 51 eyes of 49 patients with age-related macular degeneration with choroidal neovascularization in the fovea. By fluorescein angiography,7 eyes(14%)were classified as predominantly classic,18 eyes(35%)as minimally classic,and 26 eyes(51%)as occult with no classic. All the cases were followed up for one year or longer. Changes in visual acuity by 2 lines or more were defined as improvement or exacerbation. Results:Visual acuity improved in 10 eyes(20%),remained unchanged in 27 eyes(53%),and exacerbated in 14 eyes(27%). In 7 eyes of polypoidal choroidal vasculopathy in the series,it improved in 4 eyes(57%),remained unchanged in 2 eyes(29%),and exacerbated in one eye(14%). Conclusion:Photodynamic therapy for age-related macular degeneration resulted in improved or preserved visual acuity in 70% of eyes. It was also effective for polypoidal choroidal vasculopathy.
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