英语语法分析

AIM: to observe the clinical effect of releasable sclera flap sutures on the trabeculectomy.

目的：观察巩膜瓣可调整缝线在小梁切除术中应用的效果。

Objective to observe the clinical results of releasable sclera flap sutures in trabeculectomy.

目的观察巩膜瓣可拆除缝线在小梁切除术中应用的效果。

Objective:To investigate the changes of corneal astigmatism after trabeculectomy and analyse the causes.

目的：观察小梁切除术后角膜散光的变化，并分析其原因。