Journal of refractive surgery最新文献

{"title":"Assessing the Visual and Refractive Outcomes of PRESBYOND Laser Blended Vision Treatment in Myopic and Hyperopic Presbyopic Patients in Western Australia.","authors":"Ricko Wai Leung Wong, Courtney Beggs, Catherine Marks, Dan Z Reinstein, Timothy J Archer, Lourens van Zyl","doi":"10.3928/1081597X-20260220-01","DOIUrl":"10.3928/1081597X-20260220-01","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the 6-month refractive and visual outcomes following PRESBYOND Laser Blended Vision (Carl Zeiss Meditec) treatment using non-linear aspheric micro-anisometropia laser in situ keratomileusis (LASIK) for the correction of myopic and hyperopic presbyopia.</p><p><strong>Methods: </strong>This was a retrospective, non-comparative study of 125 consecutive patients with a mean age of 53 ± 6 years (range: 42 to 70 years) who underwent LASIK-induced micro-anisometropia using the MEL 90 excimer laser and VISUMAX 800 femtosecond laser (Carl Zeiss Meditec AG). Preoperative and postoperative assessments of visual acuity and refractive error were conducted over a 6-month period. The target refraction was plano for the dominant eyes and between -1.00 and -1.75 diopters (D) for non-dominant eyes.</p><p><strong>Results: </strong>A total of 250 eyes (76 myopic and 174 hyperopic) were analyzed. Mean postoperative spherical equivalent refraction was -0.03 ± 0.24 D (myopic) and -0.03 ± 0.34 D (hyper-opic) for distance eyes and -1.51 ± 0.34 D (myopic) and -1.61 ± 0.34 D (hyperopic) for near eyes. Mean binocular UNVA was +0.08 ± 0.02 logarithm of the minimum angle of resolution (logMAR) (both myopic and hyperopic). Mean binocular UDVA was -0.05 ± 0.05 logMAR (myopic) and -0.06 ± 0.06 logMAR (hyperopic). Treatment demonstrated high refractive predictability and stability. A total of 94.4% (myopic and hyperopic) reported improved visual function and reduced spectacle dependence after initial treatment. The re-treatment rate was 5.3% in the myopic group and 12.6% in the hyperopic group. After re-treatment, 100% satisfaction was achieved in the hyperopic group and 98.8% in the myopic group.</p><p><strong>Conclusions: </strong>PRESBYOND laser treatment effectively improves both distance and near visual acuity in patients with presbyopia, with predictable refractive outcomes and high patient satisfaction. The non-linear aspheric micro-anisometropia protocol resulted in safe and effective visual outcomes in patients with both hyperopic and myopic presbyopia.</p>","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"42 5","pages":"e416-e426"},"PeriodicalIF":2.9,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147874385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Comparison of Contrast Sensitivity After Keratorefractive Lenticule Extraction Between the VisuMax 800 and 500 Systems.","authors":"Jiayi Hu, Zhanying Wang, Yongle Bao, Yiyang Wang, Junjie Yu, Haipeng Xu, Yishan Qian, Xiaoying Wang, Xingtao Zhou, Jing Zhao","doi":"10.3928/1081597X-20260225-01","DOIUrl":"10.3928/1081597X-20260225-01","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the contrast sensitivity (CS) after keratorefractive lenticule extraction (KLEx) between the VisuMax 800 and VisuMax 500 systems (Carl Zeiss Meditec AG).</p><p><strong>Methods: </strong>Participants aged 18 to 46 years were recruited between November 2024 and April 2025. Visual and refractive outcomes were assessed and CS function (CSF) was measured using the quantitative CSF (qCSF) test at 1, 3, and 6 months postoperatively. The differential analysis and influencing factor analysis of qCSF parameters between the two systems were conducted.</p><p><strong>Results: </strong>In the VisuMax 800 group, qCSF parameters at 1 month postoperatively were better than those in the VisuMax 500 group (<i>P</i> < .05). There were no statistically significant differences in qCSF parameters between the two groups at 3 and 6 months postoperatively (<i>P</i> > .05). In the VisuMax 500 group, preoperative and postoperative cylindrical refraction were significantly correlated with CS (6 cycles per degree [cpd]) and CS (12 cpd) (<i>P</i> < .05). In the VisuMax 800 group, preoperative and postoperative spherical refraction (SR) and postoperative SR was were significantly correlated with CS (6 cpd) and CS (12 cpd) (<i>P</i> < .05). CS (12 cpd) in the VisuMax 500 group and CS (6 cpd) in the VisuMax 800 group were correlated with the optical zone (<i>P</i> < .05).</p><p><strong>Conclusions: </strong>The VisuMax 800 system demonstrates a slight advantage in the early recovery of visual function following KLEx, particularly excelling in CS at medium and high spatial frequencies, and its outcomes converge with those of the VisuMax 500 system at postoperative 3 and 6 months.</p>","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"42 5","pages":"e461-e469"},"PeriodicalIF":2.9,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147874594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Differences in Cyclotorsion Compensation Between Low, Medium, and Large Angles in Myopic PRK: Visual and Refractive Results.","authors":"Dror Ben Ephraim Noyman, Margarita Safir, Adir Sommer, Waseem Nasser, Tzahi Sela, Gur Munzer, Igor Kaiserman, Michael Mimouni","doi":"10.3928/1081597X-20260218-02","DOIUrl":"10.3928/1081597X-20260218-02","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the differences in myopic photorefractive keratectomy (PRK) outcomes between small, medium, and large cyclorotational angle degrees.</p><p><strong>Methods: </strong>This retrospective comparative study was conducted at Care Vision Laser Center, Tel Aviv, Israel. The study included consecutive patients who underwent myopic PRK between 2012 and 2023. Patients were divided into three groups according to their cyclorotation angle magnitude. A comparison of baseline and intraoperative parameters was performed. Refractive and visual outcomes were assessed and an Alpins vector analysis was performed. Multiple linear regression was performed to identify the effect of potential confounders.</p><p><strong>Results: </strong>A total of 17,214 eyes from 10,859 patients were analyzed (mean age: 25.9 ± 7.5 years, 55.7% male and 44.3% female). The large cyclorotation angle group exhibited statistically but not clinically significant lower corrected (CDVA) and uncorrected (UDVA) distance visual acuity at final follow-up compared to the other groups. However, no significant differences were observed in refractive outcomes, safety and efficacy indexes, or Alpins vector analysis. On regression analysis, preoperative CDVA was the only significant predictor of final CDVA (β = 0.633, <i>P</i> < .01). Although cylinder magnitude did not vary between the groups at baseline, in subgroup analysis by stratification into higher cylinders, efficacy was significantly lower in the small compared to the medium cyclorotation group, but the result was clinically negligible.</p><p><strong>Conclusions: </strong>Cyclorotation angles up to 10 degrees had no clinically significant impact on PRK refractive outcomes. These findings suggest that modern excimer laser systems effectively compensate for cyclorotation within this range, ensuring precise treatment delivery.</p>","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"42 5","pages":"e389-e396"},"PeriodicalIF":2.9,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147874539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Additional Considerations for Interpreting SMILE Outcomes With the VisuMax 800 Platform.","authors":"Yasar Sakarya, Rabia Sakarya, Hasan Koyu","doi":"10.3928/1081597X-20260306-01","DOIUrl":"https://doi.org/10.3928/1081597X-20260306-01","url":null,"abstract":"","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"42 5","pages":"e508"},"PeriodicalIF":3.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147874257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Key Surgical Steps for 4-Haptic Delivery Into the Posterior Chamber During Implantable Collamer Lens Surgery.","authors":"Xiaohong Zheng, Liren Zheng, Jing Wang, Yinan Han, Xiaoying Wang, Xingtao Zhou, Ke Zheng","doi":"10.3928/1081597X-20260320-01","DOIUrl":"10.3928/1081597X-20260320-01","url":null,"abstract":"<p><strong>Purpose: </strong>To introduce the key surgical steps of 4-haptic placement in the posterior chamber during Implantable Collamer Lens (ICL) implantation and evaluate the postoperative outcomes.</p><p><strong>Methods: </strong>This prospective observational study included 82 eyes that underwent ICL implantation from August 2024 to April 2025. Based on the number of haptics delivered into the posterior chamber after the injection, eyes were classified into three groups: 0-2-haptic group, 3-haptic group, and 4-haptic group. Surgical time and ophthalmic viscosurgical device (OVD) use was recorded intraoperatively and postoperative outcomes including visual acuity, refractive outcomes, vault, intraocular pressure (IOP), and corneal densitometry recorded at 1 day, 1 week, 1 month, and 3 months were analyzed. Central corneal endothelial cell density (ECD) was evaluated at 3 months postoperatively.</p><p><strong>Results: </strong>Both the 4-haptic and 3-haptic groups required significantly less OVD and shorter total operation, OVD injection, and haptic adjustment times than the 0-2-haptic group (all <i>P</i> < .001). Visual acuity, refractive outcomes, vault, and IOP were comparable among groups throughout the follow-up. Corneal densitometry was slightly higher in the 0-2-haptic group at 1 week and 1 month (10 to 12 mm posterior layer; <i>P</i> < .05). No significant differences in ECD were observed at 3 months.</p><p><strong>Conclusions: </strong>The 4-haptic delivery technique provides comparable safety and efficacy to the one-step OVD technique, in which the OVD is injected only after ICL insertion to adjust the haptics, while reducing intraoperative OVD use and operative time.</p>","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"42 5","pages":"e484-e495"},"PeriodicalIF":2.9,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147874467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Erratum for \"A Blended Approach to Spectacle Independence After Cataract Surgery Using a Novel Extended Depth of Focus Intraocular Lens\".","authors":"","doi":"10.3928/1081597X-20260410-01","DOIUrl":"https://doi.org/10.3928/1081597X-20260410-01","url":null,"abstract":"","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"42 5","pages":"e512"},"PeriodicalIF":3.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147874514","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Estimating Implantable Collamer Lens Vault From Scheimpflug-Derived Postoperative Anterior Chamber Volume Change in Chinese Eyes.","authors":"Yinan Liu, Meng Yang, Junquan Zan, Xiaoyong Chen","doi":"10.3928/1081597X-20260223-01","DOIUrl":"10.3928/1081597X-20260223-01","url":null,"abstract":"<p><strong>Purpose: </strong>To compensate for Pentacam's (Oculus Optikgeräte GmbH) flaw in Implantable Collamer Lens (ICL; STAAR Surgical) vault assessment, which is the difficulty to clearly detect the ICL itself, for the improvement of Pentacam's performance in the follow-up after ICL implantation.</p><p><strong>Methods: </strong>One hundred fourteen eyes that had ICL implantation at Beijing Fenglian Eyecare Beau Care Clinic were pre-screened from January to December 2024 and were randomly divided into the formula establishment group (76 eyes) and the formula validation group (38 eyes). A regression formula was worked out with the perioperative variables measured by Pentacam to best correlate with postoperative ICL vault measured by anterior segment optical coherence tomography (AS-OCT) using Pearson correlations and multiple linear regressions in the formula establishment group, and it was then tested in the validation group.</p><p><strong>Results: </strong>ICL vault showed significant positive linear correlations with anterior chamber volume change (ΔACV) (<i>r</i> = 0.845, <i>P</i> < .001), anterior chamber depth (<i>r</i> = 0.441, <i>P</i> < .001), and white-to-white distance (<i>r</i> = 0.342, <i>P</i> < .01). However, there was no linear correlation between ICL vault and ICL size/direction/anterior chamber angle (<i>P</i> > .05). The estimation formula was: ICL vault (μm) = 1,710.94 - 157.81 × ICL size (mm) +13.20 × ΔACV (μL). The validation results showed that the mean absolute error, median absolute error, and root mean square error were 82.27, 77.54, and 99.31 μm, respectively.</p><p><strong>Conclusions: </strong>This study established the ICL vault estimation formula based on ΔACV measured by Pentacam to best correlate with vault measured by AS-OCT. It compensates for Pentacam's flaw in ICL vault assessment, which is the difficulty to clearly detect the ICL itself, and is especially valuable when AS-OCT is unavailable.</p>","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"42 5","pages":"e435-e443"},"PeriodicalIF":2.9,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147874499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Reply: Clarification Regarding Astigmatism Inclusion Criteria in a Study Comparing TG-LASIK and KLEx.","authors":"Trevor D Annis, Charisma B Evangelista, Samantha B Rodgers, Quan V V Bui, Paul D Kohler, José E Capó-Aponte","doi":"10.3928/1081597X-20260313-01","DOIUrl":"https://doi.org/10.3928/1081597X-20260313-01","url":null,"abstract":"","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"42 4","pages":"e387"},"PeriodicalIF":3.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147633748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clarification Regarding Astigmatism Inclusion Criteria in a Study Comparing TG-LASIK and KLEx.","authors":"Yasar Sakarya, Rabia Sakarya, Hasan Koyu","doi":"10.3928/1081597X-20260305-03","DOIUrl":"https://doi.org/10.3928/1081597X-20260305-03","url":null,"abstract":"","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"42 4","pages":"e387"},"PeriodicalIF":3.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147633719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Look That You Choose.","authors":"Naia Amat","doi":"10.3928/1081597X-20260305-02","DOIUrl":"https://doi.org/10.3928/1081597X-20260305-02","url":null,"abstract":"","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"42 4","pages":"e288"},"PeriodicalIF":3.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147633750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}