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要約 糖尿病網膜症に対して過去1年間に行った初回硝子体手術の成績を検索し,増殖糖尿病網膜症への硝子体手術の適応を検討した。対象は94例122眼で,黄斑部牽引性網膜剝離36眼,黄斑下牽引性網膜剝離32眼,硝子体出血のみ43眼,びまん性黄斑浮腫11眼であった。術後6か月の時点での視力は,2段階以上の改善76眼(68%),不変22眼(20%),悪化13眼(12%)であった。術後最終視力は,0.1未満が33眼(29%),0.1~0.7が72眼(57%),0.7以上が17眼(15%)であった。視力が悪化した13眼中6眼と,最終視力が0.1未満の33眼中15眼が黄斑部牽引性網膜剝離であった。増殖糖尿病網膜症に対する硝子体手術は,網膜剝離が黄斑に達する前に行うことが望ましいことを示す所見である。
Abstract. We reviewed the outcome of vitreous surgery for diabetic retinopathy in 122 eyes of 94 cases during a one-year period. The series comprised macular tractional retinal detachment 36 eyes,extramacular tractional retinal detachment 32 eyes,vitreous hemorrhage 43 eyes,and diffuse macular edema 11 eyes. Six months after surgery,the visual acuity increased by 2 lines or more in 76 eyes(68%),remained unchanged in 22 eyes(20%),and deteriorated in 13 eyes(12%). The final visual acuity was below 20/200 in 33 eyes(29%),between 20/200 and 20/30 in 72 eyes(57%),and better than 20/30 in 17 eyes(15%). Cases of macular tractional retinal detachment comprised 6 out of 13 eyes of deteriorated visual acuity and 15 out of 33 eyes with final visual acuity of below 20/200. The findings show that vitreous surgery for proliferative diabetic retinopathy had better be performed before tractional retinal detachment involves the macula.
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