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目的 观察非超声乳化巩膜隧道小切口白内障摘出人工晶状体植入术在控制术后角膜散光及提高视力方面的意义及手术的可行性。方法 将老年性白内障巩膜隧道小切口手术 ,与同期传统大切口手术病例作术后视力及角膜散光对比。结果 小切口组术后角膜散光度明显低于大切口组 ,而视力高于大切口组。结论 非超声乳化巩膜隧道小切口摘出白内障能减少手术源性角膜散光 ,视力恢复快且好 ,无严重并发症 ,无需复杂技术及设备 ,尤其适合在缺乏先进设备的基层医院运用。
Objective To observe the significance of small phacoemulsification scleral tunnel incision cataract extraction and intraocular lens implantation in the control of postoperative corneal astigmatism and improve visual acuity significance and feasibility of surgery. Methods The small incision in the scleral tunnel of senile cataract surgery was compared with the postoperative visual acuity and corneal astigmatism in the traditional large incision operation. Results Small incision group postoperative corneal astigmatism was significantly lower than the large incision group, and visual acuity higher than the large incision group. Conclusion Non-phacoemulsification small scleral tunnel incision cataract surgery can reduce the source of corneal astigmatism, rapid and good recovery of visual acuity, no serious complications, without complex techniques and equipment, especially for the lack of advanced equipment in the primary hospital.