我院自1975年以来用冷冻治疗角膜溃疡共40例,获得较满意疗效,并将1974年非冷冻治疗的19例作对照。现报告如下: 一、方法用1%的卡因表麻三次,每五分钟一次,用萤光素钠液作角膜染色,以定溃疡大小。采用液氮或氧气“冷刀”直接接触溃疡面,先冷冻溃疡边缘,后冷冻溃疡中央。如溃疡面有多量粘性分泌物或坏死组织 40 cases of corneal ulcer were treated with cryotherapy in our hospital since 1975, and more satisfactory curative effect was obtained, and 19 cases of non-cryotherapy in 1974 as control. Report is as follows: First, the method of 1% of the table with three times a day of caffeine, once every five minutes, with sodium fluorescein for corneal staining to determine the size of the ulcer. Using liquid nitrogen or oxygen “cold knife” direct contact with the ulcer surface, first frozen ulcer edge, frozen ulcer central. Such as ulcers have a lot of viscous secretions or necrotic tissue