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角膜地形图系统辅助断线法治疗白内障囊外术后角膜散光 被引量:2

The usage of corneal topography in the treatment of corneal astigmatism after intraocular lens implantation.
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摘要 目的 探讨白内障术后减少角膜散光的方法。方法 应用计算机角膜地形图系统测量白内障术后 2月裸眼视力低于 0 5、无角膜及视网膜病变的角膜散光 ,选择性断线法治疗角膜散光。结果 评价断线前后裸眼视力、最大角膜曲率、最小曲率、总角膜散光。断线前后各指标平均值±标准差行t检验有统计学差异 (P <0 0 5 )。结论 计算机角膜地形图系统辅助能对白内障术后角膜散光轴向精确定位 。 Objective To investigate the changes of corneal astigmatism by corneal topography after extracapsular cataract extraction combined with intraocular lens implantation and to evaluate the improvement of corneal astigmatism after relevant suture removal. Methods Corneal topography was performed 2 months after operation.Results After the relevant suture removal,with the decreasing of astigmatism,the visual acuity was increased.Conclusion The obvious increasing of the degree of astigmatism after the operation is probably due to the sutures were too tight.Removing the relevant sutures is one of the efficient methods to reduce corneal astigmatism and to improve the visual acuity after the operation.
出处 《眼外伤职业眼病杂志》 北大核心 2000年第5期529-530,共2页 Journal of Injuries and Occupational Diseases of the Eye with Ophthalmic Surgeries
关键词 角膜地形图 白内障 断线法 手术后 散光 Corneal topography Suture removal Astigmatism Cataract extraction,extracapsularP
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  • 1[1]Bogan SJ.Classification of normal comeal topography based on computer-assisted videokeratography.Arch Ophthalmol,1990,108:945~949
  • 2谢立信,胡隆基.手术性散光[J].中国实用眼科杂志,1997,15(1):4-9. 被引量:22

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