To discuss the opportunity,method and complication of re operation to treat flat anterior chamber with hypotony after filtering s urgery of glaucoma.

目的抗青光眼外引流手术后低眼压性浅前房或无前房(下称浅前房)的再手术时机、手术方法及术后并发症。

The effect of implantation is similar to that of cyclodialysis; howeer, the shunt proides sufficient flow resistance to eliminate the risk of hypotony.

移植的效果和睫状体分离术很相似；，微管提供了足够的流动抗性来减少张力减退的风险。