Journal of cataract and refractive surgery最新文献

{"title":"Rotational stability of plate-haptic toric intraocular lenses implantation with a capsular tension ring: prospective randomized paired-eye study.","authors":"Xuanqiao Lin, Dongmei Ma, Xiaoyan Han, Zhixiang Hua, Wenqian Shen, Xiaodi Qiu, Lei Cai, Jin Yang","doi":"10.1097/j.jcrs.0000000000001554","DOIUrl":"10.1097/j.jcrs.0000000000001554","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the rotational stability and visual outcomes of plate-haptic toric intraocular lenses (IOLs) with and without a capsular tension ring (CTR) in paired eyes.</p><p><strong>Setting: </strong>Eye and Ears, Nose, and Throat Hospital of Fudan University, Shanghai, China.</p><p><strong>Design: </strong>Prospective, randomized, paired-eye study.</p><p><strong>Methods: </strong>Patients with bilateral cataracts and coexisting regular corneal astigmatism were enrolled. The 2 eyes of each patient were randomly assigned to the CTR or non-CTR (NCTR) group. Both eyes of each patient were subjected to phacoemulsification and toric IOL implantation. CTRs were implanted into the eyes of the CTR group. All patients were followed up for 12 months; uncorrected distance visual acuity (UDVA), residual astigmatism (RAS), and rotational degree of the toric IOL were recorded.</p><p><strong>Results: </strong>186 eyes of 93 patients were eligible for analysis. At each visit, UDVA improved significantly postoperatively in all eyes ( P < .001). The mean rotational degree and RAS were significantly smaller in the CTR group at the 2-week visit ( P < .05). The toric IOLs achieved rotational stability at 1 week postoperatively in the CTR group while at 2 weeks postoperatively in the NCTR group. In the subgroup analyses, CTR coimplantation significantly reduced the 2-week IOL rotation in eyes meeting specific ocular measurements.</p><p><strong>Conclusions: </strong>CTR coimplantation could increase the rotational stability of plate-haptic toric IOLs, by reducing the amount of IOL rotation in the early postoperative period and accelerating the stabilization of IOLs in the capsular bag.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":"31-39"},"PeriodicalIF":2.6,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142365366","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":"Diffuse punctate deposits on the surface of hydrophilic acrylic intraocular lenses early postoperatively: case series and laboratorial analyses.","authors":"Rhaíssa Menelau, Christopher Wallace-Carrete, Edson Nakahara, Liliana Werner, Camila V Ventura, Neil Kelkar, Kevin Eid, Kayo Espósito","doi":"10.1097/j.jcrs.0000000000001562","DOIUrl":"10.1097/j.jcrs.0000000000001562","url":null,"abstract":"<p><strong>Purpose: </strong>To describe cases of hydrophilic acrylic intraocular lenses (IOLs) (Eyecryl, Biotech) exhibiting surface punctate deposits early postoperatively and provide laboratorial analyses of unused lenses of the same model.</p><p><strong>Setting: </strong>Altino Ventura Foundation (FAV), Recife, Brazil, and John A. Moran Eye Center, University of Utah, Salt Lake City, Utah.</p><p><strong>Design: </strong>Observational, descriptive, clinical study with laboratorial analysis.</p><p><strong>Methods: </strong>A thorough review of records of patients undergoing phacoemulsification with Eyecryl implantation in December 2022 at FAV was performed, with data collection. 5 Eyecryl IOLs (never implanted/unused) were removed from the original package and underwent gross examination, light microscopy, and ultrastructural analyses using scanning electron microscopy/energy dispersive X-ray spectroscopy (SEM/EDS).</p><p><strong>Results: </strong>Details on 5 clinical cases exhibiting surface IOL deposits on the first postoperative day after uneventful surgery and followed for at least 6 months were included. The deposits disappeared by the 60th postoperative day. No inflammatory or toxic reactions were noted, visual outcomes were favorable, and IOL explantation was not necessary. 3 of the 5 unused lenses undergoing laboratorial analyses revealed diffuse, star-like deposits that could not be removed by thorough irrigation with distilled water. SEM/EDS revealed a composition of the deposits that primarily consisted of carbon and oxygen.</p><p><strong>Conclusions: </strong>Laboratorial findings suggest the etiology of the deposits might be related to the manufacturing/packaging process of lenses from specific lots. Although the deposits did not appear to be associated with inflammatory or toxic reactions in the clinical cases, further investigations are necessary to elucidate their precise origin.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":"66-71"},"PeriodicalIF":2.6,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142739266","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":"Prediction of vaults in eyes with vertical implantable collamer lens implantation.","authors":"Ryuichi Shimada, Satoshi Katagiri, Hiroshi Horiguchi, Tadashi Nakano, Yoshihiro Kitazawa","doi":"10.1097/j.jcrs.0000000000001556","DOIUrl":"10.1097/j.jcrs.0000000000001556","url":null,"abstract":"<p><strong>Purpose: </strong>To design formulas for predicting postoperative vaults in vertical implantable collamer lens (ICL) implantation and to achieve more precise predictions using machine learning models.</p><p><strong>Design: </strong>Retrospective, observational study.</p><p><strong>Setting: </strong>Eye Clinic Tokyo.</p><p><strong>Methods: </strong>We retrospectively reviewed the medical records of 720 eyes in 408 patients who underwent vertical ICL implantation. The data included age, sex, refractions, anterior segment biometric data, and surgical records. We designed 3 formulas (named V1 to V3 formulas) using multiple linear regression analysis and tested 4 machine learning models.</p><p><strong>Results: </strong>Predicted vaults by V1 to V3 formulas were 444.17 ± 93.83 μm, 444.08 ± 98.64 μm, and 444.27 ± 108.81 μm, with a mean absolute error of 127.97 ± 107.92 μm, 126.41 ± 105.86 μm, and 122.90 ± 103.00 μm, respectively. There were no significant differences in error among the V1 to V3 formulas, despite the fact that the V1 and V2 formulas referred to limited parameters (3 and 4, respectively) and the V3 formula referred to all 12 parameters. 2 of 4 machine learning models-Extreme Gradient Boosting and Random Forest Regressor-showed better performance in predicted vaults: 444.52 ± 120.51 μm and 446.00 ± 102.55 μm, and mean absolute error: 118.31 ± 100.55 μm and 118.63 ± 99.34 μm, respectively.</p><p><strong>Conclusions: </strong>This is the first study to design V1 to V3 formulas for vertical ICL implantation. The V1 and V2 formulas exhibited good performance despite the limited parameters. In addition, 2 of the 4 machine learning models predicted more precise results.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":"45-52"},"PeriodicalIF":2.6,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142365365","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":"Corneal endothelial cell loss with different techniques of nucleus delivery in Manual Small Incision Cataract Surgery- Randomized Controlled Trial.","authors":"Fincy Mol, Swathi Nagarajan, Rajalakshmi Ar, Ezhumalai Govindasamy","doi":"10.1097/j.jcrs.0000000000001605","DOIUrl":"10.1097/j.jcrs.0000000000001605","url":null,"abstract":"<p><strong>Purpose: </strong>To compare corneal endothelial loss in manual small incision cataract surgery (MSICS) following three different techniques of nucleus delivery (Viscoexpression, Irrigating Vectis, Phacosandwich).</p><p><strong>Setting: </strong>Mahatma Gandhi Medical College and Research Institute, Puducherry, India.</p><p><strong>Design: </strong>Prospective, single blinded, randomized controlled trial.</p><p><strong>Methods: </strong>Willing patients > 40years of age with immature cataract and posted for MSICS were recruited for the study. Those with systemic or ocular comorbidities which may influence corneal endothelium, dilated pupil size of <5mm, intraoperative complications and postoperative corneal haze were excluded. They were randomly divided to one of the three groups (Group 1- Viscoexpression, Group 2- Irrigating Vectis, Group 3- Phacosandwich) for nucleus delivery. Visual acuity and corneal endothelial parameters were recorded preoperatively and postoperatively at 6-8weeks.</p><p><strong>Results: </strong>A total of 90 patients with mean age of 59.13 ± 9.42 years (range 40-82years) were studied with 30 patients in each group. Following MSICS there was a 12.12% (p=0.001) endothelial cell loss. It was 10.81% in viscoexpression group, 11.3% in irrigating vectis group and 14.28% in phacosandwich group. Post hoc analysis with Dunn Bon ferroni test showed endothelial cell loss following viscoexpression and irrigating vectis methods of nucleus delivery were comparable (p=0.096) and significantly lesser (p<0.001) than in Phacosandwich group.</p><p><strong>Conclusion: </strong>There was significant endothelial cell loss following MSICS. Nucleus delivery by viscoexpression and irrigating vectis had similar endothelial cell loss while it was greater with phacosandwich technique.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11980896/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142882097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Surgical implications in intraocular lens exchange with an open posterior capsule: a retrospective case series and review of the literature.","authors":"Klemens Paul Kaiser, Tyll Jandewerth, Petra Davidova, Thomas Kohnen","doi":"10.1097/j.jcrs.0000000000001604","DOIUrl":"10.1097/j.jcrs.0000000000001604","url":null,"abstract":"<p><strong>Purpose: </strong>To determine characteristics and differences in intraocular lens (IOL) exchange between eyes with an open (OPC) and closed posterior capsule (CPC).</p><p><strong>Setting: </strong>Department of Ophthalmology, Goethe-University, Frankfurt, Germany.</p><p><strong>Design: </strong>Retrospective case series and review of literature.</p><p><strong>Methods: </strong>Charts of all cases of IOL exchange between January 2010 and May 2024 were retrospectively reviewed. Main outcome measures were indications for surgery, IOL implantation technique, and the necessity of anterior vitrectomy. MEDLINE database and Google scholar were used to identify relevant past publications.</p><p><strong>Results: </strong>We included 37 eyes of 30 patients with a mean age of 62.1 ± 10.2 years, with 16 eyes (43.2%) with OPC undergoing IOL exchange. Mean interval between IOL implantation and IOL exchange was 61.50 ± 62.00 months in the OPC group and 15.81 ± 15.03 months in the CPC group. The most common indication was optical phenomena in 18 cases (48%). In the OPC group, intraoperative anterior vitrectomy was necessary twice as often (OPC nine cases (56%) vs. CPC five cases (24%)). Bag-to-bag IOL exchange was performed in all eyes with CPC, and in 10/16 (62%) with OPC (p=0.009). Postoperative complications were seen in a total of 7/16 eyes (43.7%) with OPC and 3/21 (14.3%) with CPC (p=0.012).</p><p><strong>Conclusion: </strong>The success rate of repositioning an IOL within a bag with OPC is less than that achieved with CPC. A vitrectomy is typically required when attempting a bag-to-bag IOL exchange with an OPC. Capsulotomy should only be performed if the necessity of an IOL exchange is unlikely.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11980882/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142882122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of an artificial intelligence-based intraocular lens calculator: AI-based IOL-optimized formula.","authors":"Li Wang, Hendrik Burwinkel, Nicolas Bensaid, Douglas D Koch","doi":"10.1097/j.jcrs.0000000000001603","DOIUrl":"10.1097/j.jcrs.0000000000001603","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the ZEISS AI IOL Calculator (ZEISS AI) and compare its accuracy in refractive prediction to the Barrett Universal II (BUII) and Kane formulas.</p><p><strong>Setting: </strong>Cullen Eye Institute, Baylor College of Medicine, Houston, TX.</p><p><strong>Design: </strong>Retrospective case series.</p><p><strong>Methods: </strong>The ZEISS AI IOL Calculator (ZEISS AI) is an artificial intelligence (AI) based IOL-optimized formula. The refractive prediction errors (PEs) were calculated in the entire dataset and subgroups of short eyes (axial length (AL) ≤ 22.5 mm) and long eyes (AL ≥ 25.0 mm). The standard deviation (SD), root-mean-square absolute error (RMSAE), mean absolute error (MAE), median absolute error (MedAE), and percentage of eyes within ±0.25 D, ±0.50 D, ±0.75 D, and ±1.00 D of PEs were calculated. Values with ZEISS AI were compared to those from Barrett Universal II (BUII) and Kane. Advanced statistical methods were applied using R.</p><p><strong>Results: </strong>A dataset of 10,838 eyes was included. Compared to ZEISS AI, BUII produced significantly greater SDs, RMSAEs, and MAEs in the whole group and short eyes, and the Kane had greater SD, RMSAE, and MAE in short eyes (all adjusted P<0.05); the BUII had significantly lower percentages of eyes within ±0.50 D of PEs in the whole group (80.0% vs 81.2%) and in short eyes (71.3% vs. 76.1%), and the Kane had lower percentage of eyes within ±0.50 D of PEs in short eyes (71.9% vs. 76.1%) (all adjusted P<0.05).</p><p><strong>Conclusion: </strong>The ZEISS AI IOL Calculator had superior performance compared to the BUII and Kane formulas, especially in short eyes.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11980897/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142836531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effectiveness and safety of a thermo-mechanical action device versus thermal pulsation device in the treatment of meibomian gland dysfunction.","authors":"Ehsan Sadri, Anthony Verachtert, Gregory D Parkhurst, Julio Echegoyen, Ifat Klein, Yael G Agmon, Gregg J Berdy","doi":"10.1097/j.jcrs.0000000000001602","DOIUrl":"10.1097/j.jcrs.0000000000001602","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the safety and effectiveness of thermo-mechanical action (Tixel C, Novoxel) compared with thermal pulsation (LipiFlow, Johnson & Johnson) in meibomian gland dysfunction (MGD).</p><p><strong>Setting: </strong>Private clinics and University clinic, USA.</p><p><strong>Design: </strong>Prospective, randomized (1:1), evaluator-masked, multicenter study.</p><p><strong>Methods: </strong>Subjects with Ocular Surface Disease Index (OSDI) between 23 and 79, fluorescein tear break-up time (TBUT) <10 s and Meibomian Gland Score (MGS) ≤12 in each eye received bilateral thermo-mechanical action (TMA) or thermal pulsation (TP). The treatment consisted of three sessions, two weeks apart, for TMA and one session for TP. TBUT, OSDI, MGS, and corneal and conjunctival staining (CCS) were assessed at baseline and at Weeks 4 and 12 post-last treatment session. The primary effectiveness endpoint was change in TBUT at Week 4.</p><p><strong>Results: </strong>Among the 106 treated subjects (N=53 per group), TBUT improved significantly (p<0.001) by 3.0±3.2 and 3.1±4.3 seconds after TMA and 2.7±2.7 and 3.3±3.6 seconds after TP, at Week 4 and Week 12, respectively. The change in TBUT for TMA was non-inferior to TP (linear mixed-effects model, p<0.001). OSDI, MGS and CCS significantly improved from baseline (p<0.001), with no significant between-group differences (p>0.05). OSDI improved by 26.4±21.1 and 28.6±22.4 after TMA and 18.8±21.0 and 21.9±18.5 after TP, at Week 4 and Week 12, respectively. No device-related adverse event occurred in either group.</p><p><strong>Conclusion: </strong>TMA safely and effectively improved clinical signs and symptoms of evaporative dry eye disease associated with MGD over a 12-week period, comparable to TP.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11980888/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142836520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of accuracy and axial length acquisition success rate by three types of swept-source OCT-based biometers.","authors":"Yukihito Kato, Masahiko Ayaki, Yoshiki Tanaka, Akeno Tamaoki, Yukihiro Sakai, Kei Ichikawa, Kazuo Ichikawa","doi":"10.1097/j.jcrs.0000000000001601","DOIUrl":"10.1097/j.jcrs.0000000000001601","url":null,"abstract":"<p><strong>Purpose: </strong>To compare three biometers equipped with swept-source optical coherence tomography (OCT), including ARGOS (OCTB1), IOLMaster 700 (OCTB2), and Anterion (AS-OCTB). The primary aim was to assess the axial length (AL) acquisition success rates, and secondary aims included comparing parameters obtained from the three devices and evaluating postoperative refractive prediction errors.</p><p><strong>Setting: </strong>Chukyo Eye Clinic, Nagoya, Japan.</p><p><strong>Design: </strong>Retrospective observational study.</p><p><strong>Methods: </strong>The study included patients undergoing preoperative assessments for cataract surgery using the three biometers. The AL acquisition success rates and parameters obtained from the three devices were compared and the postoperative refractive prediction errors (defined as the difference between subjective refractive error and predicted refractive error) were assessed at one month after surgery.</p><p><strong>Results: </strong>The study included 361 eyes from 361 patients. The AL acquisition success rates for all patients were 100.0% (n=361) (OCTB1), 98.6% (n=356) (OCTB2), and 96.7% (AS-OCTB) (P < .0001), and those for nuclear sclerosis of grade 4 or higher were 100.0%, 87.8%, and 87.8%, respectively (P = .007). The AL of mature cataract was measurable only with OCTB1 using the enhanced retina visualization mode. Although there were significant differences in parameters obtained on the three devices, there were no significant differences in postoperative refractive prediction errors.</p><p><strong>Conclusions: </strong>OCTB1 demonstrated the highest AL acquisition success rate and was able to measure AL even in eyes with dense or mature cataract. AS-OCTB using a wavelength of 1300 nm showed lower AL acquisition success rates compared to the other two devices probably due to reduced light transmission through the vitreous body.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11980895/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142877269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Femtosecond Laser- Assisted Customized CAIRS In Keratoconus Patients After ICRS Explantation: A Prospective Case Series: Customized CAIRS in post ICRS extrusion keratoconus patients.","authors":"Bianca N Susanna, Adriana S ForsetoMD, Aline M SilveiraMD, Marcony R Santhiago, Fernanda N Susanna, Nicolas C Pereira","doi":"10.1097/j.jcrs.0000000000001600","DOIUrl":"10.1097/j.jcrs.0000000000001600","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the effectiveness and safety of customized femtosecond laser-assisted corneal allogenic intrastromal ring segments (CAIRS) implantation in keratoconus patients with a history of intrastromal corneal ring segment (ICRS) explantation.</p><p><strong>Setting: </strong>Sorocaba Eye Hospital (Hospital Oftalmológico de Sorocaba - HOS), Sorocaba, Brazil.</p><p><strong>Design: </strong>Prospective case series.</p><p><strong>Methods: </strong>We included eight keratoconus patients with stable disease and with history of ICRS explantation at least six months before the inclusion in the study. Patients were excluded if presenting any other ocular pathology. Customized CAIRS was produced and implanted using femtosecond laser LDV Z8 (Ziemer Ophthalmic Systems AG, Port, Switzerland). Patients were followed-up for six months.</p><p><strong>Results: </strong>The mean reduction of the maximum, mean, and steep central keratometry was 3.03 ± 1.35 diopters (D) (p =0.01), 2.88 ± 2.51 D (p=0.02), and 2.41 ± 2.72 D (p=0.04), respectively. The mean spherical equivalent and refractive astigmatism reduced 6.28 ± 2.71 D (p =0.01), and 1.62 ± 2.83 D (p=0.16). All eyes, but one gained two or more lines of best spectacle corrected visual acuity (BSCVA).Additionally, five patients achieved a BSCVA of 20/40 or better. No intra or post-operative complications were observed.</p><p><strong>Conclusions: </strong>Customized femtosecond laser assisted CAIRS may be an effective and safe option for visual rehabilitation in keratoconus patients with previous ICRS explantation.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11980890/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142836536","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cataract Surgery and Intraocular Lens Implantation in Aviation Pilots.","authors":"João Mendes, Filomena J Ribeiro","doi":"10.1097/j.jcrs.0000000000001594","DOIUrl":"10.1097/j.jcrs.0000000000001594","url":null,"abstract":"<p><p>The rising age of pilots and the extension of retirement age underscore the importance of investigating Presbyopia correction intraocular lenses during cataract surgery for Aviation Pilots. This study aims to assess recommendations from aviation regulatory agencies, providing guidance on the use of multifocal intraocular lenses in both commercial and military pilots. A review analysed the perspectives of aviation regulatory agencies regarding the implantation of multifocal intraocular lenses in pilots. Findings reveal a lack of consensus among agencies regarding the use of multifocal intraocular lenses. Some adopt a permissive stance, permitting their use, while others maintain restrictive approaches. Variations in the post-cataract surgery unfit assessment period were observed, ranging from six to twelve weeks. The implantation of multifocal intraocular lenses in aviation pilots remains contentious. Further research is crucial to address unresolved aspects associated with using multifocal intraocular lenses in this context.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11980886/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142800944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}