Jianheng Liang, Qian Tan, Zheming Wu, Yun Chen, Ruihong Ju, Haisong Chen, Qiongyan Tang, Yanxue Xu, Li Xu, Julio Ortega-Usobiaga, Danmin Cao, Yong Wang
{"title":"近视激光视力矫正后现代人工晶状体度数计算公式的准确性：分层轴长分析。","authors":"Jianheng Liang, Qian Tan, Zheming Wu, Yun Chen, Ruihong Ju, Haisong Chen, Qiongyan Tang, Yanxue Xu, Li Xu, Julio Ortega-Usobiaga, Danmin Cao, Yong Wang","doi":"10.3928/1081597X-20250328-01","DOIUrl":null,"url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the accuracy of modern intraocular lens (IOL) power calculation formulas in eyes with previous myopic laser vision correction (LVC), and to assess the impact of axial length (AL) on the formula performance.</p><p><strong>Methods: </strong>A total of 108 eyes were included, with 52 eyes in the AL less than 28 mm group and 56 eyes in the AL 28 mm or greater group. Refractive prediction errors (RPEs) were compared among nine post-LVC formulas: Haigis-TK, Haigis-TK<sub>CMAL</sub> (incorporating Cooke-modified axial length [CMAL]), PEARL-DGS, Hoffer-QST TK, LISA TK, Barrett True-K TK, EVO TK, Haigis-L, and Shammas. Pearson correlation analysis was employed to evaluate the influence of AL and other biometric parameters on RPEs.</p><p><strong>Results: </strong>In the AL less than 28 mm group, no significant differences were observed between all formulas (all adjusted <i>P</i> > .05). However, in the AL 28 mm or greater group, Haigis-TK<sub>CMAL</sub> demonstrated significantly lower root mean square absolute error (RMSAE) and mean absolute error (MAE) compared to the Hoffer-QST, Barrett True-K TK, Shammas, and Haigis-L (all adjusted <i>P</i> < .001). Similarly, the PEARL-DGS showed significantly lower RMSAE than the Barrett True-K TK, Shammas, and Haigis-L (both adjusted <i>P</i> < .001), and significantly lower MAE compared to the Barrett True-K TK and Haigis-L (both adjusted <i>P</i> < .001). The Haigis-TK<sub>CMAL</sub> had the highest percentage of eyes with RPEs within ±0.50 diopters (D) (73.21%), whereas the PEARL-DGS had the highest percentage of eyes with RPEs within ±1.00 D (94.64%). A significant negative correlation between AL and RPE was found in most formulas, leading to a myopic shift in eyes with extremely long AL.</p><p><strong>Conclusions: </strong>The performance of current post-LVC formulas was comparable in eyes with AL less than 28 mm, whereas the Haigis-TK<sub>CMAL</sub> and PEARL-DGS demonstrated superior accuracy in eyes with AL 28 mm or greater. A notable myopic shift occurred in post-LVC eyes with extremely long AL, highlighting the need for careful formula selection in such cases. <b>[<i>J Refract Surg</i>. 2025;41(5):e435-e443.]</b>.</p>","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"41 5","pages":"e435-e443"},"PeriodicalIF":2.9000,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Accuracy of Modern IOL Power Calculation Formulas in Eyes After Myopic Laser Vision Correction: A Stratified Axial Length Analysis.\",\"authors\":\"Jianheng Liang, Qian Tan, Zheming Wu, Yun Chen, Ruihong Ju, Haisong Chen, Qiongyan Tang, Yanxue Xu, Li Xu, Julio Ortega-Usobiaga, Danmin Cao, Yong Wang\",\"doi\":\"10.3928/1081597X-20250328-01\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Purpose: </strong>To evaluate the accuracy of modern intraocular lens (IOL) power calculation formulas in eyes with previous myopic laser vision correction (LVC), and to assess the impact of axial length (AL) on the formula performance.</p><p><strong>Methods: </strong>A total of 108 eyes were included, with 52 eyes in the AL less than 28 mm group and 56 eyes in the AL 28 mm or greater group. Refractive prediction errors (RPEs) were compared among nine post-LVC formulas: Haigis-TK, Haigis-TK<sub>CMAL</sub> (incorporating Cooke-modified axial length [CMAL]), PEARL-DGS, Hoffer-QST TK, LISA TK, Barrett True-K TK, EVO TK, Haigis-L, and Shammas. Pearson correlation analysis was employed to evaluate the influence of AL and other biometric parameters on RPEs.</p><p><strong>Results: </strong>In the AL less than 28 mm group, no significant differences were observed between all formulas (all adjusted <i>P</i> > .05). However, in the AL 28 mm or greater group, Haigis-TK<sub>CMAL</sub> demonstrated significantly lower root mean square absolute error (RMSAE) and mean absolute error (MAE) compared to the Hoffer-QST, Barrett True-K TK, Shammas, and Haigis-L (all adjusted <i>P</i> < .001). Similarly, the PEARL-DGS showed significantly lower RMSAE than the Barrett True-K TK, Shammas, and Haigis-L (both adjusted <i>P</i> < .001), and significantly lower MAE compared to the Barrett True-K TK and Haigis-L (both adjusted <i>P</i> < .001). The Haigis-TK<sub>CMAL</sub> had the highest percentage of eyes with RPEs within ±0.50 diopters (D) (73.21%), whereas the PEARL-DGS had the highest percentage of eyes with RPEs within ±1.00 D (94.64%). A significant negative correlation between AL and RPE was found in most formulas, leading to a myopic shift in eyes with extremely long AL.</p><p><strong>Conclusions: </strong>The performance of current post-LVC formulas was comparable in eyes with AL less than 28 mm, whereas the Haigis-TK<sub>CMAL</sub> and PEARL-DGS demonstrated superior accuracy in eyes with AL 28 mm or greater. 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Accuracy of Modern IOL Power Calculation Formulas in Eyes After Myopic Laser Vision Correction: A Stratified Axial Length Analysis.
Purpose: To evaluate the accuracy of modern intraocular lens (IOL) power calculation formulas in eyes with previous myopic laser vision correction (LVC), and to assess the impact of axial length (AL) on the formula performance.
Methods: A total of 108 eyes were included, with 52 eyes in the AL less than 28 mm group and 56 eyes in the AL 28 mm or greater group. Refractive prediction errors (RPEs) were compared among nine post-LVC formulas: Haigis-TK, Haigis-TKCMAL (incorporating Cooke-modified axial length [CMAL]), PEARL-DGS, Hoffer-QST TK, LISA TK, Barrett True-K TK, EVO TK, Haigis-L, and Shammas. Pearson correlation analysis was employed to evaluate the influence of AL and other biometric parameters on RPEs.
Results: In the AL less than 28 mm group, no significant differences were observed between all formulas (all adjusted P > .05). However, in the AL 28 mm or greater group, Haigis-TKCMAL demonstrated significantly lower root mean square absolute error (RMSAE) and mean absolute error (MAE) compared to the Hoffer-QST, Barrett True-K TK, Shammas, and Haigis-L (all adjusted P < .001). Similarly, the PEARL-DGS showed significantly lower RMSAE than the Barrett True-K TK, Shammas, and Haigis-L (both adjusted P < .001), and significantly lower MAE compared to the Barrett True-K TK and Haigis-L (both adjusted P < .001). The Haigis-TKCMAL had the highest percentage of eyes with RPEs within ±0.50 diopters (D) (73.21%), whereas the PEARL-DGS had the highest percentage of eyes with RPEs within ±1.00 D (94.64%). A significant negative correlation between AL and RPE was found in most formulas, leading to a myopic shift in eyes with extremely long AL.
Conclusions: The performance of current post-LVC formulas was comparable in eyes with AL less than 28 mm, whereas the Haigis-TKCMAL and PEARL-DGS demonstrated superior accuracy in eyes with AL 28 mm or greater. A notable myopic shift occurred in post-LVC eyes with extremely long AL, highlighting the need for careful formula selection in such cases. [J Refract Surg. 2025;41(5):e435-e443.].
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.
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