近几年来我们先后共剔除了115例角膜异物,兹将剔除方法及体会报告如下; 一、剔除方法1、术前准备:异物浅表者滴1%地卡因溶液三次,深层者先用1%无菌盐水洗眼后,然后滴1%地卡因溶液,如异物达实质层者先滴2%红汞溶液,后用无菌盐水洗眼后再滴1%地卡因溶液; In recent years, we have removed a total of 115 cases of corneal foreign bodies, we will remove the method and experience report as follows; First, excluding method 1, preoperative preparation: foreign body superficial drops of 1% dexamethasone solution three times, % Sterile saline eye wash, and then drip 1% cocaine solution, such as foreign matter reached the bottom of the first layer of 2% mercuric chloride solution, followed by sterile saline eye drops and then dropping 1% cocaine solution;