用红汞作染料进行角膜染色,因其药源广泛,价格便宜,具有一定的杀菌作用,基层医生普遍使用。但角膜溃疡用红汞染色后行碘酒烧灼治疗,极易造成毒性反应,现将笔者所见一例报告如下: 病例:男性,63岁。农民。因右眼患匐行性角膜溃疡住院。治疗半月未愈,后用碘酒烧灼治疗。术前先用红汞染色,再用生理盐水冲洗,角膜表麻后用2％碘酒进行烧灼治疗。术后半小时,患者感右眼胀痛、流泪,睁眼困难,继而疼痛难忍。去除敷料见右眼结膜高度充血水肿,溃疡周围角膜水肿,角膜后弹力层皱褶,次日角膜溃疡区仍有着色,溃疡面未见缩小,用生理盐水冲洗后仍有少量红 Mercurochrome as a dye for corneal staining, because of its wide range of drug sources, cheap, has a bactericidal effect, the widespread use of primary doctors. However, corneal ulcer stained with red mercury Iodine wine burning treatment, can easily lead to toxic reactions, I now see a report as follows: Case: Male, 63 years old. Peasants. Due to the right eye suffering from serpentine corneal ulcer hospitalized. Hem month cure, after treatment with iodine cauterization. Preoperative red stained with mercury, then rinse with saline, corneal ephedra anesthesia with 2% iodine for cauterization. Half an hour after surgery, patients with right eye pain, tears, eyes open, and then pain unbearable. Remove the dressing to see the right conjunctiva hyperemia and edema, corneal edema around the ulcer, corneal stretch folds, corneal ulcer area is still colored the next day, no reduction of ulcer surface, there is still a small amount of red after washing with saline