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目的研究进一步提高眼球巩膜角膜隧道式切口的密闭性和减少切口引起的并发症。方法对４０只眼改良隧道式切口及４４只眼普通隧道式切口和３４只眼普通角膜缘切口的术中操作、术后视力、角膜散光、切口愈合、并发症等行对照研究。结果改良隧道式切口术后视力１周时≥０．５者占６５％，３月时９３％，角膜散光１周时平均１ＤＣ，３月时０．６ＤＣ，无１例伤口裂开及瞳孔上移，长１０ｃｍ内的切口，一般无需缝合，术中粘弹剂用量＜０．５ｍｌ。结论改良隧道式切口具有术后恢复快、自封闭性好、无需缝合的优点，但操作略复杂。
Objective To study the further improvement of the sealing of corneal tunnel incision and reduce the incision complications. Methods 40 cases of modified tunnel incision and 44 eyes of ordinary tunnel incision and 34 cases of common limbal incision intraoperative operation, postoperative visual acuity, corneal astigmatism, incision healing, complication and other controlled study. Results After modified tunnel incision, visual acuity ≥ 65 in one week and 93% in March, averaged 1DC in corneal astigmatism at 1 week and 0.6DC in March, none of the cases had rupture of the wound and pupil Move, incision length 10cm, generally without suture, intraoperative viscoelastic dosage <0.5ml. Conclusion The modified tunnel incision has the advantages of quick recovery, good self-sealing and no need of suture, but the operation is slightly complicated.