posterior crop第二胃囊posterioradj.(在时间；次序上)较后的n.臀部posterior supraclavicular nerves锁骨上神经后支(外侧支)posterior talocalcaneal ligament距跟后韧带posterior sacrosciatic ligaments[医] 骶结节韧带posterior circumferential fusion后路环状融合术posterior cutaneous nerve of arm臂后皮神经posterior principal focal length后主焦距, 后焦距posterior subepicardial ischemia后壁心外膜下缺血posterior border of petrous part岩部后缘posterior capsular opaeification后发性白内障posterior cricoarytenoid muscles环杓后肌

1. Objective To Study the posterior chamber IOLs implantation in the absence of posterior capsular support inchildren.
   目的探讨儿童无晶体后囊支持的后房型人工晶体植入。
2. Reimplantation after vitrectomy is an effective method for management of the posterior chamber IOL dislocation.
   前段玻璃体切除单纯取出再植入，是处理后房型人工晶状体脱位简单有效的方法。