Belén María Virasoro, Alex Kostianovsky, Florencia Milesi, Marcela Bellón, Víctor Morales Roldan, Liliana Martínez, Emmanuel Bertiller, Milagros Heredia, Paula Aquino, Luz María De Zavalia, Luis Zeman, Santiago Catalán Pellet, María Marcela García, Marcelo Bursztyn, Eliana Flavia Emma Segretin Gutiérrez, Leandro Ferreyra Garrott, Eduardo Jorge Premoli, Javier Eduardo Rosa, Enrique Roberto Soriano, María Beatriz Marcantoni, Sebastián Andrés Muñoz, Ramiro Adrian Gómez, Andrea Smichowski, Federico Ceccato, Sophia Lutgen, Ariana Ringer, Silvina Auteri, Gustavo Budmann, Emilio María Dodds, Ariel Schlaen, Ignacio Javier Gandino
{"title":"Non-infectious uveitis: a multicenter study from Argentina.","authors":"Belén María Virasoro, Alex Kostianovsky, Florencia Milesi, Marcela Bellón, Víctor Morales Roldan, Liliana Martínez, Emmanuel Bertiller, Milagros Heredia, Paula Aquino, Luz María De Zavalia, Luis Zeman, Santiago Catalán Pellet, María Marcela García, Marcelo Bursztyn, Eliana Flavia Emma Segretin Gutiérrez, Leandro Ferreyra Garrott, Eduardo Jorge Premoli, Javier Eduardo Rosa, Enrique Roberto Soriano, María Beatriz Marcantoni, Sebastián Andrés Muñoz, Ramiro Adrian Gómez, Andrea Smichowski, Federico Ceccato, Sophia Lutgen, Ariana Ringer, Silvina Auteri, Gustavo Budmann, Emilio María Dodds, Ariel Schlaen, Ignacio Javier Gandino","doi":"10.1007/s10792-025-03555-w","DOIUrl":"10.1007/s10792-025-03555-w","url":null,"abstract":"<p><strong>Purpose: </strong>To describe etiologies and clinical characteristics of patients from Argentina with non-infectious uveitis (NIU). Differences between the anatomic segments involved were described as well.</p><p><strong>Methods: </strong>This is a multicentric, cross-sectional study from January 2008 to March 2021. We included patients with NIU from private and public institutions. Uveitis diagnosis was made by ophthalmologists specializing in uveitis, and rheumatologists diagnosed the autoimmune conditions. Patients were classified according to the International Uveitis Study Group classification system. RESULTS°: We included 468 patients with NIU. Most of them were female (64.1%), with a mean age at diagnosis of 37.9 years (SD 17.2). Idiopathic uveitis and Vogt-Koyanagi-Harada disease (VKH) were the most frequent causes. Among anterior uveitis, the most prevalent causes were idiopathic, spondyloarthritis, juvenile idiopathic arthritis, and sarcoidosis. VKH and Behçet were predominant within the panuveitis group. Over half of the patients (57%) required immunosuppressants. Methotrexate (20.6%) and azathioprine (8.9%) were mostly used. Eleven percent of the patients needed biologics, mostly adalimumab (9.4%). Two hundred fifty-six (54.7%) patients had eye complications, and cataracts were the most frequent (30%). A comparative analysis was performed between public and private institutions. There was no difference in the causes of uveitis or complications (p = 0.38; p = 0.06, respectively).</p><p><strong>Conclusion: </strong>The most prevalent causes of uveitis were VKH and idiopathic uveitis, different from the etiologies observed in the United States and Europe.</p>","PeriodicalId":14473,"journal":{"name":"International Ophthalmology","volume":"45 1","pages":"186"},"PeriodicalIF":1.4,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144002845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"MiR-6837-3p protected retinal epithelial cells from oxidative stress by targeting E2F6.","authors":"Xin Zhao, Xinru Chen, Xiangyang Xin","doi":"10.1007/s10792-025-03540-3","DOIUrl":"https://doi.org/10.1007/s10792-025-03540-3","url":null,"abstract":"<p><strong>Aim: </strong>The mechanism of age-related macular degeneration (AMD) is a complex illness that is not fully understood. Therefore, the aim of this study was to investigate the expression patterns of miR-6837-3p in retinal epithelial cells.</p><p><strong>Methods: </strong>H<sub>2</sub>O<sub>2</sub> was used to treat ARPE-19 cells for 2, 4 and 6 h to mimic the in vivo environment of AMD. MiR inhibitors and mimics were used to inhibit or overexpress miR-6837-3p in H<sub>2</sub>O<sub>2</sub>-treated ARPE-19 cells, respectively. Then, CCK8 assay, flow cytometry, and wound healing assays were conducted to assess the effects of miR-6837-3p on the behaviors of ARPE-19 cells, including cell growth, apoptosis, cycle progression, and migration. Finally, microRNA database prediction and luciferase reporter assays were used to demonstrate that miR-6837-3p targets the downstream gene E2F6.</p><p><strong>Results: </strong>H<sub>2</sub>O<sub>2</sub> induced a decrease in cell viability and an increase in ROS levels in a time-dependent manner. Additionally, overexpression of miR-6837-3p increased cell viability and suppressed apoptosis in ARPE-19 cells treated with H<sub>2</sub>O<sub>2</sub>. Meanwhile, increased miR-6837-3p promoted cell cycle progression and cell migration of ARPE-19 cells. Finally, miR-6837-3p exerted anti-apoptosis and anti-oxidative stress effects by inhibiting the expression of E2F6 in ARPE-19 cells.</p><p><strong>Conclusions: </strong>The MiR-6837-3p/E2F6 axis might be a target for the treatment of AMD to improve ARPE-19 cell function.</p>","PeriodicalId":14473,"journal":{"name":"International Ophthalmology","volume":"45 1","pages":"183"},"PeriodicalIF":1.4,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143995566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Esra Vural, Kemal Erol, Nurettin Bayram, Samet Karahan, Medine Gündoğan, Leyla Hazar
{"title":"Evaluation of the choroidal vascularity index and choroidal thickness in patients with systemic sclerosis.","authors":"Esra Vural, Kemal Erol, Nurettin Bayram, Samet Karahan, Medine Gündoğan, Leyla Hazar","doi":"10.1007/s10792-025-03536-z","DOIUrl":"https://doi.org/10.1007/s10792-025-03536-z","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the choroidal structural components using central macular thickness (CMT), choroidal thickness (CT) and the choroidal vascular index (CVI) and compare the results between patients with systemic sclerosis (SSc), causing both fibrotic and angiopathic changes in tissues and healthy controls.</p><p><strong>Methods: </strong>This prospective comparative study evaluated 22 patients with SSc (SSc group). The patients' choroidal thickness, CVI and choroidal area (CA) were compared with 21 healthy controls (control group). The patients' nailfold videocapillaroscopy (NVC) and modified Rodnan skin score (mRss) were evaluated by expert rheumatologists. In addition, the relationships between choroidal findings and NVC and mRss were assessed.</p><p><strong>Results: </strong>The central macular thickness in the SSc and control groups was 269.47 ± 26.78 µm and 261.19 ± 17.09 µm, respectively (p = 0.093). The subfoveal choroidal thickness was 295.38 ± 33.70 μm and 322.16 ± 70.24 μm, respectively (p = 0.026); the temporal choroidal thickness was 246.77 ± 21.83 μm and 265.26 ± 52.34 μm, respectively (p = 0.034); and the nasal choroidal thickness was 135.36 ± 28.10 μm and 158.88 ± 49.16 μm, respectively (p = 0.008). Total CA of 1.5 mm region centered on the fovea was 0.49 ± 0.08 mm<sup>2</sup> and 0.55 ± 0.09 mm<sup>2</sup>, respectively (p = 0.002); total CVI of 1.5 mm region centered on the fovea was 63.66% ± 1.23 and 64.90% ± 1.07, respectively (p < 0.001); total CA of 6 mm region centered on the fovea was 1.61 ± 0.22 mm<sup>2</sup> and 1.80 ± 0.33 mm<sup>2</sup>, respectively (p = 0.003); the total CVI of 6 mm region centered on the fovea was 63.85% ± 1.16 and 64.87% ± 1.12, respectively (p < 0.001). There was no correlation between mRss score and Raynaud severity and CMT, CVI and CTs; however, there was a positive correlation between the mRss and the Raynaud severity (p = 0.0004, r = 0.507).</p><p><strong>Conclusion: </strong>This study found that choroidal thickness and CVI decreased in SSc patients. A decrease in CVI may be an indicator of damage, especially in luminal structures.</p>","PeriodicalId":14473,"journal":{"name":"International Ophthalmology","volume":"45 1","pages":"181"},"PeriodicalIF":1.4,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144015607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anna Hillenmayer, Christian M Wertheimer, Efstathios Vounotrypidis, Armin Wolf, Melih Parlak
{"title":"Sterile keratolysis following pars plana vitrectomy for retinal detachment.","authors":"Anna Hillenmayer, Christian M Wertheimer, Efstathios Vounotrypidis, Armin Wolf, Melih Parlak","doi":"10.1007/s10792-025-03532-3","DOIUrl":"https://doi.org/10.1007/s10792-025-03532-3","url":null,"abstract":"<p><strong>Purpose: </strong>Pars plana vitrectomy (PPV) with various forms of tamponade and retinopexy is often the primary treatment for retinal detachment. However, a rare but serious complication is sterile keratolysis. We therefore aimed to evaluate the prevalence and potential risk factors for the development of corneal ulceration following vitreoretinal surgery for retinal detachment.</p><p><strong>Methods: </strong>This is a single-centre retrospective study including 14 cases of patients presenting to our department with sterile keratolysis involving the stroma after one or more PPVs for retinal detachment or vitreous hemorrhage. Time of primary procedure, time of onset of corneal complications, comorbidities, type of tamponade used, use of endophotocoagulation, cryoretinopexy and number of surgeries were recorded. Patients with additional comorbidities confounding a possible correlation were excluded from the case series.</p><p><strong>Results: </strong>A total of 14 patients were identified with corneal complications after pars plana vitrectomy for retinal detachment. Multiple vitrectomies were performed in 86% (12/14) of the cases. Surgical treatment consisted of six (43%) perforating keratoplasties and seven (50%) amniotic membrane keratoplasties in all but one patient. At an average of three months after the onset of corneal symptoms, the first corneal surgery was performed. Repeated corneal surgery was required in 4 patients (29%) and consisted of two penetrating keratoplasties and four amniotic membrane transplantation. Visual acuity at the first presentation of corneal complications was reduced (2.1 ± 0.6 logMAR), but was not statistically different from the visual acuity at baseline (1.6 ± 0.7 logMAR). At the last follow-up, visual acuity remained reduced at 1.8 ± 0.8 logMAR (p = 0.2).</p><p><strong>Conclusions: </strong>The risk of sterile keratolysis seems to increase with excessive laser or cryo-retinopexy, use of silicone oil and repeated procedures. The initial vitrectomy was a complex surgery in all cases and required a longer operating time. Ciliary nerve damage of neurotrophic origin may be the cause of sterile keratolysis, and controlled retinopexy sparing the long ciliary nerves and avoiding cryotherapy may reduce the risk. Controlled studies are needed to investigate the causality between vitreoretinal surgery and sterile keratolysis.</p>","PeriodicalId":14473,"journal":{"name":"International Ophthalmology","volume":"45 1","pages":"179"},"PeriodicalIF":1.4,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12062026/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143987913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Non-proliferative diabetic retinopathy detection using Rosmarus Quagga optimized explainable generative meta learning based deep convolutional neural network model.","authors":"Ajita Arvind Mahapadi, Vishal Shirsath, Ajitkumar Pundge","doi":"10.1007/s10792-025-03528-z","DOIUrl":"https://doi.org/10.1007/s10792-025-03528-z","url":null,"abstract":"<p><strong>Purpose: </strong>Non-Proliferative Diabetic Retinopathy (NPDR) is a complication of diabetes disease where there is damage of the blood vessels in retina but with no signs of formation of new vessels. It is present in the earlier stages and therefore the control of diabetes combined with constant check-up can address the challenge. Existing models face several challenges such as heterogeneity of the lesion with regard to size, shape, and distribution. Therefore, to reduce those existing challenges, in this research, a novel model Rosmarus Quagga optimized Explainable generative Meta learning based Deep Convolutional Neural Network (RQ-EGMCN) is proposed for Non-Proliferative Diabetic Retinopathy. The main purpose of the proposed research is to develop and validate the effective diagnosis of severe DR with lesion recognition using the retinal images.</p><p><strong>Methods: </strong>The presented approach develops the Rosmarus Quagga optimization, which exhibits the adaptive foraging behaviors are integrated along with the aspects of the leader-based feeding strategies to enhance the detection accuracy. Simultaneously, the proposed model employs explainable Convolutional Neural Networks to ensure interpretations which in turn provides a tradition of decision making by presenting the attention and saliency maps. The generative component allows to generate realistic retinal images for training purposes and meta-learning, when applied to new data, and accelerates learning while enhancing its' generalization potential.</p><p><strong>Main outcome measures: </strong>Moreover, the proposed model improves the NPDR diagnosis by minimizing the computational complexity, improving the accuracy and versatility of the model across different datasets.</p><p><strong>Results: </strong>Experimental analysis show that the RQ-EGMCN model obtained the maximum accuracy, precision, and recall of 95.47%, 95.34%, and 95.24% for the diabetic retinopathy detection dataset, respectively.</p>","PeriodicalId":14473,"journal":{"name":"International Ophthalmology","volume":"45 1","pages":"178"},"PeriodicalIF":1.4,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144001024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Improved functional and morphological outcomes with faricimab in nAMD eyes with poor response to prior intravitreal anti-VEGF therapy.","authors":"Nathalie Bleidißel, Matthias Weichenberger, Mathias Maier, Nina Spielberg, Nikolaus Feucht","doi":"10.1007/s10792-025-03525-2","DOIUrl":"https://doi.org/10.1007/s10792-025-03525-2","url":null,"abstract":"<p><strong>Introduction: </strong>Neovascular age-related macular degeneration (nAMD) is a major cause of vision loss in older adults. While anti-VEGF therapies have improved management by suppressing abnormal blood vessel growth, a substantial subset of patients show poor functional as well as morphological responses and require frequent injections. Faricimab (Vabysmo®), a bispecific inhibitor targeting VEGF-A and angiopoietin-2 (Ang-2), has shown promise in achieving more durable disease control.</p><p><strong>Methods: </strong>This retrospective study included 48 eyes from 47 nAMD patients previously treated with ranibizumab or aflibercept, who were switched to faricimab due to poor treatment response. Evaluations occurred at four time points, assessing best-corrected visual acuity (BCVA), intraretinal (IRF) and subretinal fluid (SRF), subretinal pigment epithelium fluid and fibrosis, central subfield thickness (CST), and central subfield volume (CSV) using spectral-domain OCT. Dosing intervals and patient-reported outcomes were also recorded.</p><p><strong>Results: </strong>BCVA improved consistently, with mean logMAR improving from 0.54 to 0.40, reflecting a gain of 1.4 Snellen lines. Dosing intervals extended from a median of 5 to 8 weeks, with over one-third of eyes reaching intervals of 10 weeks or more. Significant reductions in IRF, SRF, CST as well as CSV were observed (p < 0.05) with a quarter of eyes showing no intra- or subretinal fluid at the fourth faricimab injection. Three patients were switched back to their previous anti-VEGF treatment due to a decline in BCVA.</p><p><strong>Discussion: </strong>The findings suggest Faricimab as an effective option for nAMD patients who respond inadequately to prior anti-VEGF therapies, offering both functional and anatomical improvements. Extended intervals reduce treatment burden, indicating faricimab's potential to enhance disease control and patient quality of life in real-world settings.</p>","PeriodicalId":14473,"journal":{"name":"International Ophthalmology","volume":"45 1","pages":"177"},"PeriodicalIF":1.4,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12062140/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143983925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Osama Abd Allah El-Morsy, Hasnaa Hosam Eldin Ramadan, Ahmed Shebl Fayed
{"title":"Evaluation of the tear film and meibomian glands before and after cataract surgery by the ocular surface analyzer.","authors":"Osama Abd Allah El-Morsy, Hasnaa Hosam Eldin Ramadan, Ahmed Shebl Fayed","doi":"10.1007/s10792-025-03534-1","DOIUrl":"https://doi.org/10.1007/s10792-025-03534-1","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to assess the tear film and meibomian gland function before and after cataract surgery using the Lacrydiag ocular surface analyzer.</p><p><strong>Methods: </strong>This was an observational prospective study including 34 eyes that underwent phacoemulsification at the Ophthalmology Department of Menoufia University Hospital from October 2023 to January 2024. The patients were evaluated pre-operatively as well as 1 week, 1 month, and 3 months postoperatively. Dry eye symptoms were assessed using the Ocular Surface Disease Index (OSDI) questionnaire. Traditional tear break up time (TBUT) was performed as well as Schirmer I test. The Lacrydiag Ocular Surface Analyzer was used for assessment of the tear film and meibomian glands.</p><p><strong>Results: </strong>Ocular surface analyzer evaluations revealed statistically significant changes at 1 week, 1 month, and 3 months after surgery in comparison to the values before surgery. Significant reductions were observed in non-invasive tear break-up time (NITBUT) and tear meniscus height, as well as in Schirmer's test without anesthesia, and fluorescein break-up time at each postoperative interval. Some improvements were observed at 1 month and 3 months, however, measurements did not return to the initial preoperative levels. Ocular Surface Disease Index (OSDI) scores significantly increased after 1 week, 1 month, and 3 months post-surgery compared to preoperative levels. The proportion of meibomian gland area loss did not significantly increase after surgery (no structural alterations were noted).</p><p><strong>Conclusion: </strong>The study shows that phacoemulsification impacts both tear quantity and quality, affecting overall tear film stability and ocular surface health.</p>","PeriodicalId":14473,"journal":{"name":"International Ophthalmology","volume":"45 1","pages":"180"},"PeriodicalIF":1.4,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144005061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zhijian Jiang, Nan Zhang, Maoli Zhu, Liang Huang, Jianhong Dong
{"title":"Effects of toric intraocular lens in cataract patients with axial myopia and regular corneal astigmatism at primary hospitals.","authors":"Zhijian Jiang, Nan Zhang, Maoli Zhu, Liang Huang, Jianhong Dong","doi":"10.1007/s10792-025-03530-5","DOIUrl":"https://doi.org/10.1007/s10792-025-03530-5","url":null,"abstract":"<p><strong>Purpose: </strong>To explore the long-term clinical efficacy of AcrySof toric intraocular lens (IOL) implantation to correct regular corneal astigmatism in cataract patients with axial myopia at primary hospitals.</p><p><strong>Methods: </strong>A total of 78 cataract patients (78 eyes) with regular corneal astigmatism and axial myopia were enrolled in the retrospective cohort study and were divided into two groups according to axial length (AL) (group 1: 24‒27 mm; group 2: 27‒30 mm). Best-corrected visual acuity (BCVA; in logarithms of the minimum angle of resolution), astigmatism value, and the lens axis deviation (LAD) were determined before and at 3 and 12 months after operation.</p><p><strong>Results: </strong>BCVA (LogMAR) and residual refractive astigmatism (RAS) at 3 and 12 months after IOL implantation were significantly lower than those before implantation in each group (p < 0.05). The differences of LAD at 3 and 12 months between the two groups were not significant (p > 0.05). The proportion of eyes with LAD exceeding 10° at 12 months was significantly lower in group 1 than in group 2 (p = 0.043). AL was closely correlated with LAD (r = 0.360, p = 0.001), and AL (odds ratio 2.527, 95% confidence interval 1.110-5.751) was a significant, independent risk factor for LAD at 12 months.</p><p><strong>Conclusion: </strong>These data suggested that implantation of an AcrySof toric IOL is effective for correcting regular corneal astigmatism in eyes with axial myopia and cataract at primary hospitals. AL was an independent risk factor for toric IOL rotation.</p>","PeriodicalId":14473,"journal":{"name":"International Ophthalmology","volume":"45 1","pages":"172"},"PeriodicalIF":1.4,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144008059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pan Liu, Xiaochen Gu, Yexuan Jiao, Xinqi Ye, Yu-Hang Zhou, Xinlin Wang, Yongjin Zhou, Zhengbo Shao
{"title":"Adopting machine learning to predict nomogram for small incision lenticule extraction (SMILE).","authors":"Pan Liu, Xiaochen Gu, Yexuan Jiao, Xinqi Ye, Yu-Hang Zhou, Xinlin Wang, Yongjin Zhou, Zhengbo Shao","doi":"10.1007/s10792-025-03520-7","DOIUrl":"https://doi.org/10.1007/s10792-025-03520-7","url":null,"abstract":"<p><strong>Purpose: </strong>To predict nomogram for small incision lenticule extraction (SMILE) using machine learning technology and preoperative clinical data.</p><p><strong>Methods: </strong>A total of 1025 eyes with postoperative spherical equivalent within ± 0.50D after SMILE were included in this study. The XGBoost, gradient boosting regression (GBR), random forest (RF), LightGBM, linear regression (LR) and support vector regression (SVR) were applied to predict the nomogram. The performance of six machine learning methods was assessed by calculating the root mean absolute error (RMSE) and the mean absolute error (MAE). Four junior residents were selected to design the nomogram based on preoperative clinical data in testing set, and were compared with the machine learning models by calculating the accuracy of eyes within three specific thresholds (± 0.05D, ± 0.15D, ± 0.25D).</p><p><strong>Results: </strong>The actual nomogram was not significantly different from the nomogram predicted machine learning methods (P > 0.05). The RMSE of six models ranged from 0.075 to 0.110, and MAE were 0.055 to 0.085 on nomogram prediction. The XGBoost provided significantly higher accuracy within 0.05 to 0.25 D than the SVR and junior residents (McNemar test, P < 0.001). However, there were no statistically significant differences in accuracy within 0.05 to 0.25 D that the XGBoost, GBR, RF, LightGBM, and LR achieved (P > 0.05).</p><p><strong>Conclusions: </strong>Machine learning of the preoperative clinical data could accurately predict nomogram for SMILE. The machine learning methods may assist the refractive surgeons and shorten the learning curve of junior residents while making the nomogram adjustment.</p>","PeriodicalId":14473,"journal":{"name":"International Ophthalmology","volume":"45 1","pages":"175"},"PeriodicalIF":1.4,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143965505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Clinical characteristics and managements of severe corneal ulcers in patients with end-stage glaucoma.","authors":"Yan Li, Xin Zhong, Di Ma","doi":"10.1007/s10792-025-03527-0","DOIUrl":"https://doi.org/10.1007/s10792-025-03527-0","url":null,"abstract":"<p><strong>Purpose: </strong>To review the clinical characteristics and managements of severe corneal ulcers in patients with end-stage glaucoma.</p><p><strong>Methods: </strong>Retrospectively reviewed the medical records of patients diagnosed with severe corneal ulcers who had a history of end-stage glaucoma, including demographic profiles, medical histories, clinical features, and treatments.</p><p><strong>Results: </strong>Thirty patients (30 eyes) were included. The median age at presentation was 73.00 years (interquartile range [IQR]: 64.25-77.25 years). The majority of patients were previously diagnosed with primary angle-closure glaucoma (11/30, 36.67%). Nineteen patients (63.33%) were still using antiglaucoma medications within 6 months before the onset of corneal ulcer. Visual acuity was already severely impaired in these patients before the onset of corneal ulcer. At last visit before the onset, 20 eyes (66.67%) had intraocular pressure (IOP) greater than 21 mmHg. Corneal perforation occurred in 13 eyes (43.33%). Eleven eyes (36.67%) underwent debridement of corneal ulcer and conjunctival flap covering surgery, while 13 eyes (43.33%) eventually underwent evisceration. Patients without corneal perforation had received a greater variety of surgical or laser treatments in the past compared to those with corneal perforation (P = 0.047). A significantly larger proportion of patients with corneal perforation underwent evisceration (9/13 vs 4/17, P = 0.012).</p><p><strong>Conclusion: </strong>Severe corneal ulcers in patients with end-stage glaucoma were characterized by advanced age, long-term use of topical antiglaucoma medications and poor IOP control. Nearly half of the patients lost their eyes. Active treatment of underlying diseases and careful attention to ocular surface condition are crucial in preventing corneal perforation and improving prognosis.</p>","PeriodicalId":14473,"journal":{"name":"International Ophthalmology","volume":"45 1","pages":"173"},"PeriodicalIF":1.4,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144002835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}