在眼科临床工作中,常遇到一些复杂的处置,刁缺少应手的器械而为难。我们在实践中,根据不同需要.把日常用的注射针头稍加改制,发挥了多种功能,取得了满意效果。今介绍如下。一、在取角膜异物中的应用对取角膜实质层异物和残有锈环的异物,可在裂隙灯下进行。取尖锋长的4～6号灭菌注射针头,用持针器将针锋1.5mm 处夹成35°～45°角(图2)。光源与持针手采取相反方向,与目镜呈 In the clinical work of ophthalmology, often encounter some complex disposal, lack of handy equipment and difficult. In practice, according to different needs, we change the daily injection needles slightly to play a variety of functions and achieve satisfactory results. Here is the introduction. First, the use of corneal foreign body in taking the corneal foreign body and residual corona ring foreign body, can be carried out under the slit lamp. Take sharp front 4 to 6 sterile injection needles, needle holder will be 1.5mm at the pinch into a 35 ° ~ 45 ° angle (Figure 2). The light source and the needle holder take the opposite direction, with the eyepiece