Method The authors used syringe needle to perforate sclera, the technique can control ration of subretinal fluid draingage, and comparing this technique with traditional scleral electrocoagulation and subretinal fluid draingage technique.

• 方法用注射针头作巩膜穿刺,能控制定量放液,并将本方法与传统的巩膜电凝放液法进行比较。