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简易暗罩常应用在眼科急症、会诊、查房及无暗室设备的门诊、野战条件下进行眼底检查。使用方便,制作简单,现介绍如下。 1.备黑色软缎料子1块,约300×150mm大小,宽面折叠10mm,用机线扎制成一双层套口。 2.取1块口腔科用的不锈钢片,约22×12mm大小,制成半环形,使恰好能套入检眼镜的金属光轴上(图1-A)。 3.用100mm不锈钢丝1根,制成1正圆形圈,两断端各向圆圈的相反方向折回5mm,与圆圈成90度角(图1-B)。
Simple dark mask often used in ophthalmic emergencies, consultation, rounds and no darkroom equipment outpatient, fundus examination under field conditions. Easy to use, easy to make, are presented below. 1. Prepared a black satin material 1, about 300 × 150mm size, wide-faced folding 10mm, with a machine tie into a double-layer mouth. 2. Take a stomatological stainless steel sheet, about 22 × 12mm size, made of semi-circular, so just fit into the ophthalmoscope metal optical axis (Figure 1-A). 3. Use a 100mm stainless steel wire to make a perfect circular ring. The opposite ends of each circular ring in the two broken ends are folded back by 5mm, forming a 90-degree angle with the circle (Figure 1-B).