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蚕蚀性角膜溃疡合并白内障著者采用手术方法治疗2例获得成功。将手术方法介绍如下。 (一)环形角膜掩盖术 1.搔爬角膜溃疡区:于角膜溃疡区涂以70%酒精,用圆刃刀切除坏死组织及再生上皮,尤其角膜缘部切得要干净,斜面向角膜中央,使角膜溃疡区形成新的创面。 2.分离球结膜:1%利多卡因球结膜下麻醉、于角膜缘全周切开球结膜向周边部分离,上部分离25 mm、两侧稍浅些,下部4~5mm为宜。在4点及8点钟处,以角膜缘为基底切除一小三角形的结膜片。 3.固定结膜瓣:把上结膜瓣牵引至角膜下缘,用6-0黑丝线作“U”字缝合三针,于角膜缘
Mooren ulcer with cataract were treated by surgical methods in 2 cases were successful. The surgical methods are described below. (A) annular corneal masking 1. Scratch corneal ulcer area: coated with 70% alcohol in the corneal ulcer area, with a round knife to remove necrotic tissue and regenerative epithelium, especially the corneal margin cut to be clean, oblique to the cornea, Corneal ulcer area to create a new wound. 2. The separation of the conjunctiva: 1% lidocaine subconjunctival anesthesia in the corneal limbal conjunctival perineal peripheral separation, the upper part of 25 mm, slightly lighter on both sides, the lower 4 ~ 5mm is appropriate. At 4 and 8 o’clock, a small triangular conjunctiva was excised on the limbus. 3. Fixed conjunctival flap: the upper conjunctival flap traction to the lower corneal margin, with 6-0 black silk thread for the “U” suture three needle, on the limbus