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要約 目的:初期緑内障に対するラタノプロスト点眼の効果の報告。対象と方法:未治療の原発開放隅角または正常眼圧緑内障35例69眼を対象とした。年齢は31~76歳(平均53歳)であり,眼圧は14~28mmHg(平均19.2±2.8mmHg)であった。眼圧は点眼開始から4週,8週,12週,6か月の時点で測定し,静的量的視野は治療前と6か月後に測定した。結果:眼圧は点眼開始後すべての時点で有意に低下した。6か月後の眼圧下降率は平均20.4%で,治療前の眼圧が高いほど下降率が大きかった。10眼(14.5%)では下降率が10%未満であった。点眼前後で視野に変化はなかった。結論:初期の開放隅角緑内障に対するラタノプロスト点眼で,眼圧下降効果と視野維持効果が得られた。
Abstract. Purpose:To report the outcome of topical instillation of latanoprost for early-stage glaucoma. Cases and Method:This study was made on 69 eyes of 35 patients with untreated primary open-angle or normal-tension glaucoma. The age ranged from 31 to 76 years,average 53 years. Intraocular pressure(IOP)ranged from 14 to 28 mmHg,average 19.2±2.8 mmHg. IOP was measured 4,8,12 weeks and 6 months after start of instillation. Quantitative static perimetry was performed before and after 6 months of treatment. Results:IOP decreased significantly at each measurement. It decreased by 20.4% after 6 months of treatment. Decrease of IOP was greater in eyes with higher baseline IOP. Ten eyes(14.5%)showed less than 10% of IOP decrease. There was no change in visual field before and after 6 months of treatment. Conclusion:Instillation of latanoprost induced decreased IOP with preserved visual field for 6 months in eyes with early-stage glaucoma.
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