Journal of cataract and refractive surgery最新文献

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Late refractive change after cataract extraction and toric intraocular lens implantation. 白内障摘出及环形人工晶状体植入术后的晚期屈光改变。
IF 2.6 3区 医学
Journal of cataract and refractive surgery Pub Date : 2025-06-01 DOI: 10.1097/j.jcrs.0000000000001634
Sydney Roston, J Erik Kulenkamp, Abdurahman Ahmed, Ryan Scheurer, Karen R Armbrust
{"title":"Late refractive change after cataract extraction and toric intraocular lens implantation.","authors":"Sydney Roston, J Erik Kulenkamp, Abdurahman Ahmed, Ryan Scheurer, Karen R Armbrust","doi":"10.1097/j.jcrs.0000000000001634","DOIUrl":"10.1097/j.jcrs.0000000000001634","url":null,"abstract":"<p><strong>Purpose: </strong>To report rates of change and identify factors associated with late change in refractive outcome after toric intraocular lens (TIOL) implantation.</p><p><strong>Setting: </strong>Single-site study at the Minneapolis Veterans Affairs Health Care System, Minneapolis, Minnesota.</p><p><strong>Design: </strong>Retrospective cohort study.</p><p><strong>Methods: </strong>Study inclusion required uncomplicated posterior chamber Alcon SN6ATT TIOL implantation from 2010 to 2017 and refractions 1 month and 5 years postoperatively. Exclusion criteria were sulcus IOL placement, subsequent intraocular or refractive surgery in the operative eye, and 5-year Snellen visual acuity of 20/60 or worse. Outcomes of interest were change in spherical equivalent (SE) and change in magnitude of the astigmatism vector between the postoperative month 1 and postoperative year 5 refractions. Refractive stability was defined as ≤0.5 diopter (D) change in SE and ≤1 D change in magnitude of the astigmatism vector. Predictive factors analyzed included age, sex, race, pseudoexfoliation (PXF) syndrome, axial length (AL), preoperative keratometry measurements (∆K), IOL power, neodymium:yttrium aluminum garnet capsulotomy, and intravitreal injections.</p><p><strong>Results: </strong>Of the 320 eyes meeting study criteria, SE was stable in 241 (75%) eyes, astigmatism was stable in 266 (83%) eyes, and 205 (64%) eyes met criteria for refractive stability with both measures. Multivariable regression analysis identified shorter AL ( P = .018) and larger ∆K ( P = .002) as significant predictors of change in refractive astigmatism and PXF syndrome ( P = .006) as a predictor of hyperopic shift >0.5 D.</p><p><strong>Conclusions: </strong>A minority of eyes exhibit late refractive change after TIOL implantation. AL, ∆K, and PXF syndrome are independent predictors of late refractive change.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":"496-503"},"PeriodicalIF":2.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143399179","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}
引用次数: 0
Setting standards for astigmatism analysis. 制定散光分析标准。
IF 2.6 3区 医学
Journal of cataract and refractive surgery Pub Date : 2025-06-01 DOI: 10.1097/j.jcrs.0000000000001646
Douglas D Koch, Thomas Kohnen
{"title":"Setting standards for astigmatism analysis.","authors":"Douglas D Koch, Thomas Kohnen","doi":"10.1097/j.jcrs.0000000000001646","DOIUrl":"10.1097/j.jcrs.0000000000001646","url":null,"abstract":"","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":"51 6","pages":"439"},"PeriodicalIF":2.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144150399","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}
引用次数: 0
Visual outcomes after implantation of a nondiffractive EDOF intraocular lens in patients with early dry macular degeneration. 早期干性黄斑变性患者植入无衍射扩展焦深度人工晶状体后的视力结果。
IF 2.6 3区 医学
Journal of cataract and refractive surgery Pub Date : 2025-06-01 DOI: 10.1097/j.jcrs.0000000000001627
Shail Vasavada, Lajja Shastri, Vandana Nath, Shyamal Dwivedi, Asav Patel, Vaishali Vasavada, Samaresh Srivastava, Abhay R Vasavada
{"title":"Visual outcomes after implantation of a nondiffractive EDOF intraocular lens in patients with early dry macular degeneration.","authors":"Shail Vasavada, Lajja Shastri, Vandana Nath, Shyamal Dwivedi, Asav Patel, Vaishali Vasavada, Samaresh Srivastava, Abhay R Vasavada","doi":"10.1097/j.jcrs.0000000000001627","DOIUrl":"10.1097/j.jcrs.0000000000001627","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate visual outcomes after implantation of a nondiffractive extended depth-of-focus (EDOF) intraocular lens (IOL) in patients with early age-related dry macular degeneration (AMD).</p><p><strong>Setting: </strong>Iladevi Cataract & IOL Research Centre, Ahmedabad, India.</p><p><strong>Design: </strong>Prospective, interventional series.</p><p><strong>Methods: </strong>Patients undergoing cataract surgery with the EDOF AcrySof Vivity IOL and having early dry AMD were included. Primary outcome measures were monocular unaided and corrected distance visual acuity (UDVA, CDVA) 3 months postoperatively. Secondary outcome measures were monocular unaided and distance-corrected intermediate (UIVA, DCIVA) (66 cm) and near (UNVA, DCNVA) (40 cm) visual acuity as well as mesopic contrast sensitivity (CS).</p><p><strong>Results: </strong>40 eyes (40 patients) with a mean age of 68.5 ± 8.38 (SD) years were included. UDVA and CDVA at 3-month follow-up were 0.12 ± 0.07 and 0.10 ± 0.10 (SD) logMAR. UIVA and DCIVA were 0.25 ± 0.09 and 0.12 ± 0.09 logMAR. UNVA and DCNVA were 0.23 ± 0.10 and 0.19 ± 0.15 logMAR. Mesopic CS values without glare were 1.50 ± 0.10, 1.69 ± 0.26, 1.40 ± 0.30, and 0.84 ± 0.5 units at 3, 6, 12, and 18 cycles per degree. Mesopic CS with glare was 1.53 ± 0.16, 1.63 ± 0.21, 1.21 ± 0.45, and 0.75 ± 0.42 units.</p><p><strong>Conclusions: </strong>The AcrySof Vivity IOL gave very good distance visual acuity with improved intermediate and near visual acuity without significant compromise in CS in eyes with early dry AMD.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":"456-460"},"PeriodicalIF":2.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143399207","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}
引用次数: 0
Comparative evaluation of clinical results and patient-reported outcomes of enhanced monofocal and conventional monofocal intraocular lenses. 增强单焦点人工晶状体和常规单焦点人工晶状体的临床结果和患者报告结果的比较评价。
IF 2.6 3区 医学
Journal of cataract and refractive surgery Pub Date : 2025-06-01 DOI: 10.1097/j.jcrs.0000000000001641
Ryota Kabura, Tetsuji Takeshita, Kyoka Furushima, Rumi Iwasaki, Rikako Fukuda, Hinako Amikawa, Tetsuro Oshika
{"title":"Comparative evaluation of clinical results and patient-reported outcomes of enhanced monofocal and conventional monofocal intraocular lenses.","authors":"Ryota Kabura, Tetsuji Takeshita, Kyoka Furushima, Rumi Iwasaki, Rikako Fukuda, Hinako Amikawa, Tetsuro Oshika","doi":"10.1097/j.jcrs.0000000000001641","DOIUrl":"10.1097/j.jcrs.0000000000001641","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate and compare visual performance of 2 enhanced monofocal intraocular lenses (IOLs), XY1-EM (Vivinex Impress) and DIB00V (TECNIS Eyhance), with that of a conventional monofocal IOL, XY-1 (Vivinex).</p><p><strong>Setting: </strong>Kamiamakusa General Hospital, Kumamoto, Japan.</p><p><strong>Methods: </strong>A retrospective analysis was conducted on 130 eyes from 75 patients, including 46 eyes (27 patients) implanted with XY1-EM, 47 eyes (26 patients) with DIB00V, and 37 eyes (22 patients) with XY-1.</p><p><strong>Results: </strong>Corrected distance visual acuity (CDVA) was comparable across all 3 groups. Both enhanced monofocal IOLs (XY1-EM and DIB00V) demonstrated significantly superior distance-corrected intermediate visual acuity (DCIVA) at 70 cm and 50 cm compared with the conventional monofocal IOL (XY1). The rates of spectacle independence were also significantly higher in the enhanced monofocal IOL groups. In a direct comparison between the 2 enhanced monofocal IOLs, XY1-EM exhibited a significantly better defocus curve at -1.5 diopters than DIB00V. Patients reported higher subjective satisfaction for \"reading a newspaper\" and \"speed of adaptation to daily vision\" in the XY-1 group compared with the DIB00V group.</p><p><strong>Conclusions: </strong>The new enhanced monofocal IOL, Vivinex Impress XY1-EM, demonstrated significantly improved intermediate visual acuity compared with the conventional monofocal IOL. It also showed slightly superior intermediate visual acuity and higher subjective satisfaction compared with the other enhanced monofocal IOL evaluated in this study.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":"520-524"},"PeriodicalIF":2.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143492029","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}
引用次数: 0
Accuracy of predicted refraction using two swept-source optical coherence biometers and an intraoperative aberrometer. 使用两个扫描源光学相干生物计和术中像差计预测折射的准确性。
IF 2.6 3区 医学
Journal of cataract and refractive surgery Pub Date : 2025-06-01 DOI: 10.1097/j.jcrs.0000000000001628
Keizo Watanabe
{"title":"Accuracy of predicted refraction using two swept-source optical coherence biometers and an intraoperative aberrometer.","authors":"Keizo Watanabe","doi":"10.1097/j.jcrs.0000000000001628","DOIUrl":"10.1097/j.jcrs.0000000000001628","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the refractive accuracy of Optiwave Refractive Analysis (ORA) using biometric measurements of ARGOS and OA-2000 in the same patient planned for a monofocal intraocular lens (IOL) insertion.</p><p><strong>Setting: </strong>Single center.</p><p><strong>Design: </strong>Prospective, observational study.</p><p><strong>Methods: </strong>Patients scheduled for cataract surgery between January 2021 and March 2022 (expected corrected distance visual acuity of ≥0.8 postoperatively at 1 to 3 months) underwent preoperative ocular measurements using ARGOS and OA-2000 biometers on the same day, which were entered into the intraoperative aberrometer ORA system to assess the refractive accuracy of the IOL implant and postoperative spherical equivalent at 1 to 3 months. The refractive accuracy was compared between ORA using ARGOS (ORA-AR) and ORA using OA-2000 (ORA-OA). The primary endpoint was the comparison of the mean absolute refractive prediction error (MAE) between the ORA-AR and ORA-OA methods.</p><p><strong>Results: </strong>A total of 117 eyes of 81 patients were evaluated (mean ± SD age, 72.8 ± 7.4 years; male, 65.4%). The criteria for noninferiority were met between the ORA-AR and ORA-OA methods because the upper boundary of the CI was lower than the noninferiority margin of 0.10 diopter [D] for the difference in MAE (-0.03 D; 95% CI, -0.061 to 0.001). MAE was numerically smaller with ORA-AR (0.243 ± 0.215 D) but not significantly different from that with ORA-OA (0.269 ± 0.246 D).</p><p><strong>Conclusions: </strong>Postoperative MAE obtained using ORA-AR was noninferior to that of ORA-OA. However, the MAE and SD of refractive prediction errors with ORA-AR were numerically lower than those with ORA-OA.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":"461-467"},"PeriodicalIF":2.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143523595","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}
引用次数: 0
Improvement of keratorefractive lenticule creation by application of a vortex beam in a UV femtosecond laser system. 涡旋光束在紫外飞秒激光系统中的应用改进了角膜折射透镜的形成。
IF 2.6 3区 医学
Journal of cataract and refractive surgery Pub Date : 2025-06-01 DOI: 10.1097/j.jcrs.0000000000001643
Christian M Hammer, Yao Zhang, Mario Klafke, Friedrich Paulsen, Johannes Lörner
{"title":"Improvement of keratorefractive lenticule creation by application of a vortex beam in a UV femtosecond laser system.","authors":"Christian M Hammer, Yao Zhang, Mario Klafke, Friedrich Paulsen, Johannes Lörner","doi":"10.1097/j.jcrs.0000000000001643","DOIUrl":"10.1097/j.jcrs.0000000000001643","url":null,"abstract":"<p><strong>Purpose: </strong>To examine the effect of a vortex beam on gas formation and interface quality after keratorefractive lenticule creation with a 347 nm UV femtosecond laser.</p><p><strong>Setting: </strong>Anatomy Unit, University of Fribourg, Switzerland; Institute of Functional and Clinical Anatomy, University of Erlangen-Nürnberg, Erlangen, Germany; WaveLight GmbH, Erlangen, Germany.</p><p><strong>Design: </strong>Experimental study.</p><p><strong>Methods: </strong>Refractive corneal lenticules were created in 40 ex vivo porcine eyes with a 347 nm UV femtosecond laser. In 20 eyes, the laser was operated with a (Laguerre-Gaussian) vortex beam (generated by a spiral phase plate), and in the remaining 20 with a normal (Gaussian) beam. In each group, 12 eyes were used for histological quantification of intraoperative gas formation. The remaining 8 eyes were subjected to scanning electron microscopy after lenticule extraction to evaluate the lenticule bed morphology. The vortex group was compared morphologically and morphometrically with the normal group.</p><p><strong>Results: </strong>Application of a vortex beam significantly decreased the amount of gas produced intraoperatively. Semiquantitative 2D histomorphometrical analysis of the area occupied by gas bubbles yielded 20 156 ± 5591 μm 2 /mm in the normal samples, as compared with 9495 ± 3966 μm 2 /mm in the vortex samples ( P < .001). Moreover, the lenticule beds created by a UV vortex beam were markedly smoother and more regular than those created by a normal UV laser beam.</p><p><strong>Conclusions: </strong>Operating a UV femtosecond laser with a vortex beam may significantly decrease the risk of opaque bubble layer formation and increases surgical safety and precision.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":"525-530"},"PeriodicalIF":2.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143567224","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}
引用次数: 0
Comment on: Intraocular lens rotational stability after cataract surgery with and without primary posterior continuous curvilinear capsulorhexis. 对“伴有和不伴有原发性后路连续弧形撕囊的白内障术后人工晶状体旋转稳定性”的评论。
IF 2.6 3区 医学
Journal of cataract and refractive surgery Pub Date : 2025-06-01 DOI: 10.1097/j.jcrs.0000000000001664
Manasi Tripathi, Ashish Markan
{"title":"Comment on: Intraocular lens rotational stability after cataract surgery with and without primary posterior continuous curvilinear capsulorhexis.","authors":"Manasi Tripathi, Ashish Markan","doi":"10.1097/j.jcrs.0000000000001664","DOIUrl":"10.1097/j.jcrs.0000000000001664","url":null,"abstract":"","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":"536"},"PeriodicalIF":2.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784361","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}
引用次数: 0
Clinical feasibility of the ESCRS IOL power calculator. ESCRS人工晶状体功率计算器的临床可行性。
IF 2.6 3区 医学
Journal of cataract and refractive surgery Pub Date : 2025-06-01 DOI: 10.1097/j.jcrs.0000000000001637
Leon Pomberger, Lisa Tasch, Christoph Mayer-Xanthaki, Sophia A Reifeltshammer, Matthias Bolz, Nino Hirnschall
{"title":"Clinical feasibility of the ESCRS IOL power calculator.","authors":"Leon Pomberger, Lisa Tasch, Christoph Mayer-Xanthaki, Sophia A Reifeltshammer, Matthias Bolz, Nino Hirnschall","doi":"10.1097/j.jcrs.0000000000001637","DOIUrl":"10.1097/j.jcrs.0000000000001637","url":null,"abstract":"<p><strong>Purpose: </strong>To assess the mean absolute error (MAE) of classic and modern intraocular lens (IOL) power calculation formulas to evaluate the feasibility of the ESCRS IOL Calculator.</p><p><strong>Setting: </strong>Department of Ophthalmology, Johannes Kepler University and Kepler University Clinic, Linz, Austria; Department of Ophthalmology, Medical University Graz, Graz, Austria.</p><p><strong>Methods: </strong>337 eyes of 337 patients who underwent implantation of a monofocal IOL (PCB00) were included in this study. The classic IOL calculation formulas output by the biometry device (Barrett Universal II [BUII], Haigis, SRK/T, and HofferQ) and modern formulas implemented in the ESCRS calculator (BUII, Cooke K6, EVO, Hill-RBF, Hoffer QST, Kane, and Pearl-DGS) were evaluated. The MAE, the number of eyes within ±0.5, ±1.0, ±1.5, ±2.0 diopters (D) of the target refraction, the agreement between ESCRS formulas on the proposed IOL power, and the time factor for the input in the ESCRS calculator were evaluated.</p><p><strong>Results: </strong>The best performing ESCRS calculator formulas were Kane, EVO, and BUII with a MAE (SD) of 0.37 (0.30) D, 0.37 (0.32) D, and 0.38 (0.32) D. A lower, but not significant difference in MAE for ESCRS formulas compared with biometry formulas was observed. A significant difference was observed between Hoffer QST and all other formulas (P < .01 for all). After excluding Hoffer QST, testing revealed a significant difference between ESCRS and biometry formulas (P = .004).</p><p><strong>Conclusions: </strong>The ESCRS calculator allows efficient and up-to-date IOL calculations in routine clinical practice. The predictive accuracy of the ESCRS calculator is superior compared with older biometric formulas.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":"51 6","pages":"504-510"},"PeriodicalIF":2.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144150397","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}
引用次数: 0
True exfoliation syndrome: a case study with anterior segment SS-OCT. 真性剥脱综合征:利用前段 SS-OCT 进行的病例研究。
IF 2.6 3区 医学
Journal of cataract and refractive surgery Pub Date : 2025-06-01 DOI: 10.1097/j.jcrs.0000000000001647
Wen Xu, Sha Zhu, Kunlin Wu
{"title":"True exfoliation syndrome: a case study with anterior segment SS-OCT.","authors":"Wen Xu, Sha Zhu, Kunlin Wu","doi":"10.1097/j.jcrs.0000000000001647","DOIUrl":"10.1097/j.jcrs.0000000000001647","url":null,"abstract":"","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":"534"},"PeriodicalIF":2.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143542058","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}
引用次数: 0
Relationship between intraocular lens power and ocular refraction variations. 人工晶状体度数与眼屈光变化的关系。
IF 2.6 3区 医学
Journal of cataract and refractive surgery Pub Date : 2025-06-01 DOI: 10.1097/j.jcrs.0000000000001633
Damien Gatinel, Guillaume Debellemanière, Alain Saad, Jacques Malet
{"title":"Relationship between intraocular lens power and ocular refraction variations.","authors":"Damien Gatinel, Guillaume Debellemanière, Alain Saad, Jacques Malet","doi":"10.1097/j.jcrs.0000000000001633","DOIUrl":"10.1097/j.jcrs.0000000000001633","url":null,"abstract":"<p><strong>Purpose: </strong>To develop a theoretical method to predict the theoretical ratio between changes in intraocular lens (IOL) power (dP) and induced variations in ocular refraction (dR).</p><p><strong>Setting: </strong>Rothschild Foundation Hospital, Paris, France.</p><p><strong>Design: </strong>Theoretical study.</p><p><strong>Methods: </strong>The theoretical changes in dP required for desired variations in dR and influencing variables were computed using a paraxial pseudophakic eye model. This formulation was subsequently validated against the Haigis formula, using half-diopter power increments for comparison. Various eye models, covering a range of axial lengths, keratometry readings, and effective implant positions, were analyzed. In addition, the impact of keratometry and effective lens position (ELP) on the IOL power-refraction change ratio was evaluated.</p><p><strong>Results: </strong>The findings highlight the significant roles of keratometric power and ELP in determining the theoretical magnitude of IOL power increment required for a specific dioptric change in refraction. The study extended beyond standard keratometry values to include a wider range of clinical scenarios.</p><p><strong>Conclusions: </strong>This model provides theoretical trends for guiding clinicians in predicting the necessary IOL power adjustments for desired refractive changes in pseudophakic eyes. This work also suggests potential applications in the fine tuning of adjustable IOLs and more customized IOL power selection for a range of refractive surgeries.</p>","PeriodicalId":15214,"journal":{"name":"Journal of cataract and refractive surgery","volume":" ","pages":"488-495"},"PeriodicalIF":2.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143575859","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}
引用次数: 0
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