病例摘要黄×,男,16岁,学生,住淮北市。1975年5月8日初诊。病史:自幼发现左眼角膜上方生一肿块,原较小,近年逐渐长大,影响视力,但无红肿疼痛。曾三次手术,1973年9月第一次在某医院手术,术前视力0.2,切下肿块坚韧,易剥离,深达角膜实质层,切除基本完整,无出血,术后不久复发;1974年秋在某地行第二 Case summary Yellow ×, male, 16 years old, student, live in Huaibei. May 8, 1975 newly diagnosed. History: At an early age he found a cornea above the left cornea, the original smaller, gradually grew up in recent years, affecting vision, but no swelling and pain. Had three operations, the first time in September 1973 in a hospital surgery, preoperative visual acuity 0.2, cut the tumor tough, easy to peel, deep corneal parenchyma, resection of the basic integrity, without bleeding, recurrence shortly after surgery; the fall of 1974 A trip to the second