小梁切除术目前仍是抗青光眼的主要术式。术后因引流过度所致的前房形成延迟是造成该手术并发症的重要原因 ,也是术后临床医师最为关切的问题之一。在前房形成延迟的病例中 ,尽管大部分在 1周内多能形成前房 ,但因长时间前房消失导致角膜和晶状体病变而不得不再次行前房手术者 Trabeculectomy is still the main anti-glaucoma surgery. Delayed anterior chamber formation due to excessive drainage is one of the most important causes of this surgical complication and is one of the most concerned issues for postoperative clinicians. In cases of delayed formation of the anterior chamber, although the majority of anterior chambers are mostly formed in one week, anterior chamber anesthesia may have to be performed again due to prolonged disappearance of the anterior chamber leading to corneal and lens changes