Mo Er, Lin Lei, Wang Jiangtao, Huo Qiuyi, Yang Qingwen, Liu Enze, Zhang Lu, Yu Yunhui, Ye Linying, Pan Anpeng, Li Jin
Eye Hospital and School of Ophthalmology and Optometry, Wenzhou Medical University, Wenzhou, Zhejiang, China; National Clinical Research Center for Ocular Diseases, Wenzhou, Zhejiang, China.
Eye Hospital and School of Ophthalmology and Optometry, Wenzhou Medical University, Wenzhou, Zhejiang, China; National Clinical Research Center for Ocular Diseases, Wenzhou, Zhejiang, China.
Am J Ophthalmol. 2022 Jan;233:153-162. doi: 10.1016/j.ajo.2021.07.017. Epub 2021 Jul 22.
To investigate the influence of anterior chamber depth (ACD) on the accuracy of the Kane, EVO 2.0, Barrett Universal II (BU II), Olsen, SRK/T, and Haigis formulas in patients with elongated eyes.
Retrospective case series study.
A total of 106 patients (106 eyes) diagnosed with high myopia (axial length ≥26 mm) were enrolled and divided into 3 subgroups according to preoperative ACD. Mean refractive error (ME), mean absolute refractive error (MAE), median absolute refractive error (MedAE), and proportions of eyes within ±0.25 D, ±0.50 D, ±0.75 D, and ±1.00 D were calculated.
In all patients, the MedAE was lowest for the Kane formula (0.28 D), followed by the BU II (0.34 D). In the shallow ACD subgroup, EVO 2.0 formula produced the lowest MedAE (0.22 D), and the highest proportion of eyes within ±0.25 D (58%); the BU II (0.23 D, 50%) and Kane (0.25 D, 50%) formulas produced similar proportions. In the deep ACD group, the MedAEs of the Haigis and SRK/T formulas (0.68 D and 0.50 D, respectively) were significantly higher than those of the EVO 2.0 (0.37 D), Kane (0.30 D), BU II (0.43 D), and Olsen (0.34 D) formulas (P < 0.05).
Overall, the Kane and EVO 2.0 formulas had the highest accuracy. EVO 2.0 and BU II formulas are recommended for patients with shallow ACD; the Kane formula is recommended for patients with deep ACD (especially patients with extremely elongated eyes). The SRK/T and Haigis formulas should be avoided as much as possible.
探讨前房深度（ACD）对高度近视患者（眼轴长度≥26mm）使用凯恩公式、EVO 2.0公式、巴雷特通用II（BU II）公式、奥尔森公式、SRK/T公式和海吉斯公式计算准确性的影响。
回顾性病例系列研究。
共纳入106例（106只眼）诊断为高度近视的患者，根据术前ACD分为3个亚组。计算平均屈光不正（ME）、平均绝对屈光不正（MAE）、中位数绝对屈光不正（MedAE）以及±0.25D、±0.50D、±0.75D和±1.00D范围内的眼数比例。
在所有患者中，凯恩公式的MedAE最低（0.28D），其次是BU II公式（0.34D）。在前房浅亚组中，EVO 2.0公式的MedAE最低（0.22D），±0.25D范围内的眼数比例最高（58%）；BU II公式（0.23D，50%）和凯恩公式（0.25D，50%）的比例相似。在前房深组中，海吉斯公式和SRK/T公式的MedAE（分别为0.68D和0.50D）显著高于EVO 2.0公式（0.37D）、凯恩公式（0.30D）、BU II公式（0.43D）和奥尔森公式（0.34D）（P<0.05）。
总体而言，凯恩公式和EVO 2.0公式准确性最高。对于前房浅的患者，推荐使用EVO 2.0公式和BU II公式；对于前房深的患者（尤其是眼轴极长的患者），推荐使用凯恩公式。应尽量避免使用SRK/T公式和海吉斯公式。
