Conclusions The main cause of corneal edema after small incision non-phacoemulsification cataract extraction is the in-incision before schwalbe, the second is fast liquid in operation.

• 结论小切口非超声乳化白内障囊外摘出术后角膜水肿的主要原因是内切口靠前、娩核困难，其次是术中高速度的液体冲洗。