外伤,特别是化学伤引起的继发性青光眼,其球结膜广泛性瘢痕形成,一般眼外引流术(如小梁切除、巩膜下巩膜咬切等)。其降压效果不佳。我们从1987—1989年采用硅胶薄片,作超长引流治疗继发性青光眼6眼,现报导如下:资料和方法1.病例:碱性化学伤4眼,酸性化学伤1眼,机械性外伤1眼,均存在角膜白斑(其中3眼角膜葡萄肿)和广泛性球结膜瘢痕。其 Trauma, especially chemical injury caused by secondary glaucoma, the conjunctival extensive scar formation, the general drainage of the eye (such as trabeculectomy, scleral sclera bite cut, etc.). Its antihypertensive effect is not good. We used from 1987 to 1989, thin slices of silica gel, as a long drainage for the treatment of secondary glaucoma, are reported as follows: Materials and Methods 1. Cases: 4 cases of alkaline chemical injury, acid chemical injury 1, mechanical trauma 1 Eye, there are corneal leukoplakia (including 3 corneal staphyloma) and extensive conjunctival scar. its