近视 LASIK/PRK 术后，后角膜测量和角膜半径比对眼内透镜配方准确性的影响。

IF 2.9 3区医学 Q1 OPHTHALMOLOGY

Journal of refractive surgery Pub Date : 2024-09-01 DOI:10.3928/1081597x-20240718-01

Yuxing Zheng,Jiaqing Zhang,Xiaotong Han,Ruoxuan Huang,Ling Wen,Jinfeng Ye,Yiguo Huang,Xiaozhang Qiu,Xiaoyun Chen,Xuhua Tan,Lixia Luo

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引用次数: 0

摘要

目的研究近视激光原位角膜磨镶术（LASIK）/光屈光性角膜板层切除术（PRK）手术后，前后角膜半径比（B/F 比）和后角膜度数（PK）对眼内透镜功率计算公式准确性的影响。方法回顾性连续病例系列研究纳入了 101 名近视 LASIK/PRK 术后白内障患者（132 只眼）。结果Barrett True K-TK 公式的 MAE（0.59 D）和 MedAE（0.48 D）最低，PE 在 ±0.50 D 以内的眼睛比例最高（54.55%）。结论Barrett True-TK对近视LASIK/PRK术后眼睛的预测准确度最高。但是，对于B/F比值低、PK平坦的眼睛，Potvin-Hill表现最好。[J Refract Surg. 2024;40（9）：e635-e644]。

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Effect of Posterior Keratometry and Corneal Radius Ratio on the Accuracy of Intraocular Lens Formulas After Myopic LASIK/PRK.

PURPOSE To investigate the impact of back-to-front corneal radius ratio (B/F ratio) and posterior keratometry (PK) on the accuracy of intraocular lens power calculation formulas in eyes after myopic laser in situ keratomileusis (LASIK)/photorefractive keratectomy (PRK) surgery. METHODS A retrospective, consecutive case series study included 101 patients (132 eyes) with cataract after myopic LASIK/PRK. Mean prediction error (PE), mean absolute PE (MAE), median absolute error (MedAE), and the percentage of eyes within ±0.25, ±0.50, and ±1.00 diopters (D) of PE were determined. RESULTS The Barrett True K-TK formula exhibited the lowest MAE (0.59 D) and MedAE (0.48 D) and the highest percentage of eyes within ±0.50 D of PE (54.55%) in total. In eyes with a B/F ratio of 0.70 or less and PK of -5.70 D or greater, the Potvin-Hill formula displayed the lowest MAE (0.46 to 0.67 D). CONCLUSIONS The Barrett True-TK exhibited the highest prediction accuracy in eyes after myopic LASIK/PRK overall. However, for eyes with a low B/F ratio and flat PK, the Potvin-Hill performed best. [J Refract Surg. 2024;40(9):e635-e644.].

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来源期刊

$Journal of refractive surgery$

Journal of refractive surgery 医学-外科

CiteScore

5.10

自引率

12.50%

发文量

160

审稿时长

4-8 weeks

期刊介绍： The Journal of Refractive Surgery, the official journal of the International Society of Refractive Surgery, a partner of the American Academy of Ophthalmology, has been a monthly peer-reviewed forum for original research, review, and evaluation of refractive and lens-based surgical procedures for more than 30 years. Practical, clinically valuable articles provide readers with the most up-to-date information regarding advances in the field of refractive surgery. Begin to explore the Journal and all of its great benefits such as: • Columns including “Translational Science,” “Surgical Techniques,” and “Biomechanics” • Supplemental videos and materials available for many articles • Access to current articles, as well as several years of archived content • Articles posted online just 2 months after acceptance.