Objective:To study the efficacy of three-channel self-sealing sclerotomy in 20G vitrectomy.
目的：探讨“三通道”自闭式巩膜隧道切口用于20G玻璃体切割手术的可行性和应用效果。
2
Objective to investigate whether the failing causes of vitreous surgery were related to the vitreous incarceration of the sclerotomy sites.
目的探讨巩膜穿刺孔玻璃体嵌顿与玻璃体手术失败的关系。
3
Conclusion Combined type trabeculectomy and tunnel posterior sclerotomy can control the intraocular pressure availably, reduce complications and improve the successful rate of the first surgery.