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。
Conclusion ACAID induced by corneal antigens and corneal grafts may contribute to the maintenance of corneal graft viability.
结论由角膜抗原和角膜移植片诱导的ACAID可能参与了角膜移植片存活的维持。
Objective to compare the effects of cultivated corneal epithelial cells graft and autologous limbus graft to treat the severely damaged ocular surface.
目的比较培养角膜上皮移植和自体角膜缘移植治疗严重眼表损伤的效果。
ObjectiveTo observe the clinical effect of conjunctival and corneal graft in early stages of chemical eye burn (less than 3 wk).
目的观察重度化学性眼灼伤早期(伤后3周内)行结膜与角膜移植手术治疗的临床疗效。
Corneal neovascularization (CNV) is one of the most causes of corneal blindness and the high-risk factor of corneal graft rejective reaction.
角膜新生血管是角膜盲的主要原因，亦是角膜移植排斥反应的高危因素。
The leading cause of corneal graft failure is T cell-mediated immune rejection. Costimula-tion has been shown to be necessary for full activation of naive T cell.
角膜移植手术失败的主要原因是T细胞介导的免疫排斥反应，T细胞的充分活化需要共刺激信号的协同作用。
Results The corneal graft remained clear in 10 eyes (83.3%).
结果10只眼术后角膜移植片透明，植片透明率83.3%。
Conclusions After penetrating keratoplasty, the wounds of corneal graft show tectonic instability and poor resistance to tension.
结论穿透性角膜移植术后创口稳定性和抗张能力差，较小的外力打击可引起破裂。
Objective to study the effective ways of penetrating keratoplasty with large corneal graft for security and availability.
目的探讨穿透性大植片角膜移植治疗角膜大病灶的手术的安全性和有效性。
Results Corneal re epithelialization and graft survival occurred 3~5 days after operation.
结果角膜上皮修复和植片存活均出现在术后3～5天内。
All corneal graft of 20 eyes was transparent and no toxic and side effect.
结果20例20眼植片全部保持透明，未见严重毒副作用。
Conclusion:The risk factors for graft failure after PK were corneal vascularization, regraft, aphakia or pseudophakia, presence of anterior or posterior synechia.
结论：与PK手术植片衰竭相关的高危因素包括角膜血管化、再次移植、无晶状体眼、人工晶状体眼、虹膜前或虹膜后黏连；
Conclusion:The risk factors for graft failure after PK were corneal vascularization, regraft, aphakia or pseudophakia, presence of anterior or posterior synechia.
结论：与PK手术植片衰竭相关的高危因素包括角膜血管化、再次移植、无晶状体眼、人工晶状体眼、虹膜前或虹膜后黏连；
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