作者经过八年的实践,认为按照CAIRNS J.E.所设计的小梁切除术还存在有一定的局限性,这就是由于术中完全缝合、关闭了巩膜瓣,所以在术后不能形成一个真正的滤过泡,而仅仅在结膜瓣下形成一个“垫子”,以供房水弥散在结膜瓣下引流于眼外。据作者观察凡青光眼病人行这一手术后,只能获得中等程度和近期的降压效果。他们发现,术后许多病人的眼内压会逐渐的升高,经几个月后眼压又恢复到接近手术前的水 After eight years of practice, the author believes there are some limitations in trabeculotomy designed according to CAIRNS JE. This is because the intraoperative complete suturing and closing of the scleral flap do not result in a true filtration after surgery Bubble, and only under the conjunctival flap to form a “cushion” for the aqueous dispersion of the drainage under the conjunctival flap outside the eye. According to the authors observed that glaucoma patients underwent this operation, only to obtain moderate and recent antihypertensive effect. They found that intraocular pressure in many patients after surgery will gradually increase, after a few months IOP restored to the water before surgery