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滲出型ポリープ状脈絡膜血管症141例152眼の視力経過を検討した。男性111例122眼(78.7%),女性30例30眼(21.3%)であり,年齢は54~89歳,平均71.2±7.5歳,経過観察期間は6~72か月,平均29か月であった。111眼にレーザー光凝固を施行した。32眼ではポリープ状病巣のみを凝固し,79眼ではこれとともに異常血管網を凝固した。他の41眼には光凝固を行わなかった。対象とした152眼での最終視力は,0.5以上が78眼(51.3%),0.1~0.4が40眼(26.3%),0.1以下が34眼(22.4%)であった。最終視力と視力変化は,光凝固を行った111眼と行わない41眼との間,およびポリープ状病巣のみを凝固した32眼と異常血管網を合わせて凝固した79眼との間に,有意差はなかった。以上の結果から,滲出型ポリープ状脈絡膜血管症の視力転帰が比較的良好であり,ポリープ状病巣のみを凝固しても視力の維持改善が得られる場合があると結論される。
We reviewed 152 eyes of 141 patients of exudative polypoidal choroidal vasculopathy. The series comprised 122 eyes of 111males(78.7%)and 30 eyes of 30 females(21.3%). Their ages ranged from 54 to 89 years,average 71.2±7.5 years. They were followed up for 6 to 72months,average 29months. A total of 111 eyes were treated by dye laser photocoagulation. Laser was applied to the polypoidal lesion only in 32 eyes and to abnormal vascular network also in 79 eyes. The other 41 eyes received no photocoagulation. The final visual acuity in the whole series was 0.5 or over in 78 eyes(51.3%),between 0.4 and 0.1 in 40 eyes(26.3%),and below 0.1 in 34 eyes(22.4%). There was no significant difference regarding the final visual acuity between 111 eyes that received laser and 41 eyes that did not,or between 32 eyes that received laser to polypoidal lesions only and 32 eyes that received additional laser to pathological vessels. The findings show that exudative polypoidal choroidal vasculopathy results in fair visual outcome and that photocoagulation to polypoidal lesions alone may be effective in some instances.
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