山东大学耳鼻喉眼学报 ›› 2017, Vol. 31 ›› Issue (4): 21-28.doi: 10.6040/j.issn.1673-3770.1.2017.028

• 屈光性白内障手术·综述 • 上一篇    下一篇

人工晶体屈光力的计算

王磊, 张晗   

  1. 山东大学第二医院眼科, 山东 济南 250033
  • 收稿日期:2017-07-07 出版日期:2017-08-16 发布日期:2017-08-16
  • 通讯作者: 张晗. E-mail:13705310696@139.com

The calculation of intraocular lens refractive power

WANG Lei, ZHANG Han   

  1. Department of Ophthalmology, the Second Hospital of Shandong University, Jinan 250033, Shandong, China
  • Received:2017-07-07 Online:2017-08-16 Published:2017-08-16

摘要: 就人工晶体屈光力计算的经验和理论公式的原理、应用范围、校正方法等进行介绍,对预测准确度最重要的参数(角膜曲率、眼轴长度、有效晶体位置、球差)进行数据分析。论述通过精确测量角膜和眼轴,配合最新的理论公式,可以比较准确地预测人工晶体屈光力。

关键词: 眼轴, 角膜曲率, 人工晶体屈光力, 有效晶体位置

Abstract: This review describes the principles and practice involved in the calculation of intraocular lens(IOL)refractive power. The theories behind formulas for calculating IOL power are described, using regression and optical methods. The review emphasizes the importance of establishing a precise estimation of corneal power as well as accurate techniques for the measurement of axial length and for predicting postoperative anterior chamber depth. The review concludes that current improvements in diagnostic and surgical technology, combined with the latest IOL refractive power formulas, make the calculation and selection of appropriate IOL power among the most effective tools in refractive surgery today.

Key words: Corneal curvature, Axial axis, Effective crystal position, Intraocular lens refractive power

中图分类号: 

  • R776
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