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(1)裂孔原性網膜剥離の手術では裂孔の閉鎖に完璧を期すことが必要である.比較的大きい裂孔の場合裂孔のかたちがどんなものであっても球型のプロンベがより合理的に目的を達することができる.
(2)今回使用したボールはジメチルポリシロキサンでできており非吸水性で感染の危険もなく滅菌も簡単であり,使用に便利である.
(3)黄斑円孔のプロンベの縫着に困難をきわめるとき生体接着剤を利用することもできる.
(4)29例29眼の大きい裂孔と4眼の黄斑円孔にシリコンボールをプロンベとして利用し87.8%が復位した.
We developed a silicone ball to be used as scleral implant in retinal detachment surgery. The silicone ball is available either as a spherical ball or a hemispherical one. The silicone material is inert and does not absorb water. It is thus regarded to be infection-free.
We used this silicone ball in retinal detachment surgery in 29 eyes with large retinal tear of more than 2 disc diameters and in 4 eyes with macular hole. Closure of retinal tears and clinical cure re-sulted in 25 eyes with retinal tears and 3 eyes with macular hole.
The spherical or hemispherical silicone ball thus appeared to be of particular use in the surgical treatment of retinal detachment with large tears. It is also suitable for macular hole. In our present series, the implant was fixed to the posterior sclera by means of a methylmetacrylate adhesive.
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