The risk factors for graft failure were corneal vascularization, regraft, aphakia or pseudophakia.
移植失败的危险因素是角膜血管形成，移植，无晶状体或假晶状体。
2
Conclusion:The risk factors for graft failure after PK were corneal vascularization, regraft, aphakia or pseudophakia, presence of anterior or posterior synechia.