The other 7 eyes were underwent filtration surgery and 3 of them had permanent loss of vision caused by the postoperative complications occurred in posterior segment.
另外7只晚期患眼均接受了滤过手术，其中3只在随诊期内出现了严重眼后节并发症导致失明。
2
According to the position of the secondary, the integrated dynamic model of a permanent linear synchronous motor (PMLSM) with several segment primaries is established.