1993年以来我们应用自制的钩针在剔除1000余例角膜异物等眼科治疗中取得较满意的效果，此法取材、制作容易，使用方便，对组织损伤小。观介绍如下：材料和制作：取较锋利的注射针头1枚，大小视用途而异，剔除角膜异物者6、7号较好，拆除角膜尼龙线者4．5－6号细而锋利者为好， Since 1993, we apply self-made crochet hook in the removal of more than 1000 cases of corneal foreign body and other eye treatment to obtain more satisfactory results, this method drawn, easy to make, easy to use, less tissue damage. View introduction is as follows: Material and production: Take a sharp needle 1, depending on the use of the size of the corneal foreign bodies excluding 6,7, corneal nylon removal line No. 4.5-6 fine and sharp it is good,