目前治疗原发性视网膜脱离的巩膜外手术主要有两种形式,一种是巩膜环扎手术,常常联合巩膜环扎术、局部垫压、放液、冷凝、注气或者不注气等手段,以对漏水裂孔制造出最大量的屏障,并包含有一定的预防性措施[1];另一种是不放液的、仅限于裂孔区的节段性巩膜外垫压手术,称之为最小 At present, there are mainly two types of scleral surgery for treating primary retinal detachment. One is scleral cerclage surgery, often combined with scleral cerclage, partial pressure padding, tapping, condensation, gas insufflation, or insufflation. To create the greatest amount of barrier to leaks and to include some precautionary measures [1]; the other is a non-shunted, segmental scleral buckling that is limited to the area of ​​the fissure, called the smallest