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目的 评价 3种隧道式切口在白内障超声乳化吸除术的中应用效果。 方法 采用透明角膜 (Ⅰ组 )、角膜缘 (Ⅱ组 )、反弧形巩膜 (Ⅲ组 )隧道式切口 ,对 5 6 8例 (5 88眼 )老年性、并发性、外伤性白内障行超声乳化吸除 ,并植入Acrysof折叠式人工晶状体或直径 5 .5mm的人工晶状体。 结果 3组在术后 1周、2周、1个月视力≥ 0 .5者分别占 74.6 %、79.5 %、77.4% ,83 .5 %、86 .4%、84.6 % ,88.6 %、89 .7%、87.4% ;角膜散光以角膜切口组为高 ,差异有显著性 (P <0 .0 5 )。术后 3个月时 3组的角膜散光已经基本接近 (P >0 .0 5 )。 结论 3种隧道式切口均是白内障手术较佳的切口。
Objective To evaluate the effect of three kinds of tunnel incision in cataract phacoemulsification. Methods Fifty-eight (588 eyes) aged, complicated and traumatic cataract patients underwent phacoemulsification with tunnel incision of clear cornea (group Ⅰ), limbus (group Ⅱ) and reverse arc sclera (group Ⅲ) Suction and implantation Acrysof foldable intraocular lens or intraocular lens diameter 5.5mm. Results The visual acuity ≥ 0.5 in one week, two weeks and one month after operation in the three groups accounted for 74.6%, 79.5%, 77.4%, 83.5%, 86.4%, 84.6%, 88.6%, 89 respectively. 7% and 87.4% respectively. Corneal astigmatism was higher in corneal incision group, with significant difference (P <0.05). The corneal astigmatism in the three groups at 3 months after surgery was almost the same (P> 0.05). Conclusion All the three kinds of tunnel incisions are the best incisions for cataract surgery.