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Utility of real-time 3D visualization system in the early stage of phacoemulsification training

International Journal of Ophthalmology(English edition) 2024年第3期17卷 577-582页

作者： Zhe Xu Dan Chen Jing-Wei Xu Yi-Xuan Feng Ce Shi Li Zhang Wen Xu eye Center the Second Affiliated HospitalSchool of MedicineZhejiang UniversityHangzhou 310009Zhejiang ProvinceChina Zhejiang Provincial Key Laboratory of Ophthalmology Hangzhou 310009Zhejiang ProvinceChina Zhejiang Provincial Clinical Research Center for eye Diseases Hangzhou 310009Zhejiang ProvinceChina Zhejiang Provincial Engineering institute on eye Diseases Hangzhou 310009Zhejiang ProvinceChina

●AIM:To determine the teaching effects of a real-time three dimensional(3D)visualization system in the operating room for early-stage phacoemulsification training.●METHODS:A total of 10 ophthalmology residents of the first-year postgraduate were *** the residents were novices to cataract ***-time cataract surgical observations were performed using a custom-built 3D visualization *** training lasted 4wk(32h)in all.A modified International Council of Ophthalmology’s Ophthalmology Surgical Competency Assessment Rubric(ICO-OSCAR)containing 4 specific steps of cataract surgery was *** self-assessment(self)and expert-assessment(expert)were performed through the microsurgical attempts in the wet lab for each participant.●RESULTS:Compared with pre-training assessments(self 3.2±0.8,expert 2.5±0.6),the overall mean scores of posttraining(self 5.2±0.4,expert 4.7±0.6)were significantly improved after real-time observation training of 3D visualization system(P<0.05).Scores of 4 surgical items were significantly improved both self and expert assessment after training(P<0.05).●CONCLUSION:The 3D observation training provides novice ophthalmic residents with a better understanding of intraocular microsurgical *** is a useful tool to improve teaching efficiency of surgical education.

关键词： 3D visualization system phacoemulsification training wet lab

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Factors affecting meibomian gland area loss in symptomatic adults

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International Journal of Ophthalmology(English edition) 2024年第6期17卷 1036-1041页

作者： Si-Cheng Ding Jing-Jing Su Qing Zhan Jiao-Man Wang Fang Zheng Xu-Xuan Fang Dan Cheng Ping Guo The Second Clinical Medical College Jinan UniversityShenzhen 518000Guangdong ProvinceChina Shenzhen eye Hospital Jinan UniversityShenzhen Eye InstituteShenzhen 518040Guangdong ProvinceChina Department of Ophthalmology Jinzhou Medical UniversityJinzhou 121000Liaoning ProvinceChina

AIM:To characterize the distribution of meibomian gland(MG)area loss(MGL)and its relationship with demographic characteristics,mites,and ***:This retrospective observational study included patients who visited the Dry eye Clinic of Shenzhen eye Hospital between June 2020 and August *** patient characteristics,ocular symptoms,Demodex test results of the eyelid edges,and the results of a comprehensive ocular surface analysis were *** was analyzed using Image J ***:This study enrolled 1204 outpatients aged 20-80(40.70±13.44)y,including 357 males(29.65%)and 847 females(70.35%).The patients were classified into mild(n=155;12.87%),moderate(n=795;66.03%),severe(n=206;17.11%),and extremely severe(n=48;3.99%)MGL *** was significantly larger in female than in male(P=0.006).The degree of MGL also significantly differed in age(P<0.001)and the more numbers of mites with severity(P<0.001).Multivariate disordered multinomial logistic regression analysis identified that female sex,older age,secretory symptoms,and a large number of mites were risk factors for MGL(P<0.05).CONCLUSION:Patients with MGL are more likely to be older,female,more numbers of mites,and increased secretion.

关键词： meibomianglands aging sex symptomatology Demodex

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Proteomic study of vitreous in proliferative diabetic retinopathy patients after treatment with aflibercept:a quantitative analysis based on 4D label-free technique

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International Journal of Ophthalmology(English edition) 2024年第4期17卷 676-685页

作者： Ting-Ting Feng Xiang Gao An-Ran Liang Bo-Wen Zhao Guang-Hui He Song Chen Clinical College of Ophthalmology Tianjin Medical UniversityTianjin 300070China Tianjin Key Laboratory of Ophthalmology and Visual Science Tianjin Eye InstituteTianjin Eye HospitalTianjin 300020China Key Laboratory of Ophthalmology Anyang Eye HospitalAnyang 455000Henan ProvinceChina Department of Ophthalmology Jining No.1 People’s HospitalJining 272011Shandong ProvinceChina

AIM:To identify different metabolites,proteins and related pathways to elucidate the causes of proliferative diabetic retinopathy(PDR)and resistance to anti-vascular endothelial growth factor(VEGF)drugs,and to provide biomarkers for the diagnosis and treatment of ***:Vitreous specimens from patients with diabetic retinopathy were collected and analyzed by Liquid Chromatography-Mass Spectrometry(LC-MS/MS)analyses based on 4D label-free *** differentially expressed proteins(DEPs),Gene Ontology(GO),Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway representation and protein interactions were ***:A total of 12 samples were *** proteomics results showed that a total of 58 proteins were identified as DEPs,of which 47 proteins were up-regulated and 11 proteins were *** found that C1q and tumor necrosis factor related protein 5(C1QTNF5),Clusterin(CLU),tissue inhibitor of metal protease 1(TIMP1)and signal regulatory protein alpha(SIRPα)can all be specifically regulated after aflibercept *** functional analysis showed that some DEPs are related to changes in inflammatory regulatory pathways caused by *** addition,protein-protein interaction(PPI)network evaluation revealed that TIMP1 plays a central role in neural *** addition,CD47/SIRPαmay become a key target to resolve anti-VEGF drug resistance in ***:Proteomic analysis is an approach of choice to explore the molecular mechanisms of *** data show that multiple proteins are differentially changed in PDR patients after intravitreal injection of aflibercept,among which C1QTNF5,CLU,TIMP1 and SIRPαmay become targets for future treatment of PDR and resolution of anti-VEGF resistance.

关键词： vitreous proliferative diabetic retinopathy proteome 4D label-free

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Women in visual neural regeneration research

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Neural Regeneration Research 2025年第2期20卷 489-490页

作者： Tonia S.Rex David J.Calkins Vanderbilt eye institute Vanderbilt University Medical CenterNashvilleTNUSA

The year 2024 marks the 60^(th)anniversary of Title IX and 25 years since the New York Times revealed bias against female faculty members at the Massachusetts institute of *** take an opportunity here to examine the state of gender bias in a relatively new yet already prominent field,neural regeneration in the visual system,for which there is a well-defined context useful for this *** National eye institute(NEI)provided the first round of research funding for its Audacious Goals Initiative(AGI)on visual neural regeneration in 2013 and the last round in ***,we focus on this *** sources included PubMed,the National Science Foundation(NSF),the NEI,the Blue Ridge institute for Medical Research and data from the major professional organization for eye and vision research,the Association for Research in Vision and Ophthalmology(ARVO).

关键词： neural visual Times

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Systematic bibliometric analysis of research hotspots and trends on the application of premium IOLs in the past 2 decades

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International Journal of Ophthalmology(English edition) 2024年第4期17卷 736-747页

作者： Liang-Pin Li Li-Yun Yuan De-Shen Mao Xia Hua Xiao-Yong Yuan Clinical College of Ophthalmology Tianjin Medical UniversityTianjin 300020China Tianjin Key Laboratory of Ophthalmology and Visual Science Tianjin Eye InstituteTianjin Eye HospitalTianjin 300020China School of Medicine Nankai UniversityTianjin 300071China Anhui Medical University Hefei 230032Anhui ProvinceChina Tianjin Aier eye Hospital Tianjin UniversityTianjin 300190China

AIM:To analysis of research hotspots and trends on the application of premium intraocular lens(PIOLs)in the past 2 ***:The literature search was performed on the Web of Science and included PIOLs studies published between January 2000 and December *** retrieved literature was collated and analyzed by R-tool’s Bibliometrix package,CitNetExplorer,CiteSpace and other ***:A total of 1801 articles about PIOLs were obtained,most of which were published in Spain and the United *** organization that published the most articles was the University of Valencia in ***ó JL,and Montés-Micó R,from Spain were the most influential authors in this *** Journal of Cataract and Refractive Surgery and Journal of Refractive Surgery were the core journals for this field;the top 10 cited articles mainly focus on postoperative satisfaction with multifocal intraocular lens(IOLs)and postoperative results of toric *** the keyword analysis,we found that trifocal IOLs,astigmatism and extended depth of focus(EDoF)IOLs are the most discussed topics at present,and the importance of astigmatism and the clinical application of the new generation of PIOLs are the emerging research ***:Bibliometric analysis can effectively help to identify multilevel concerns in PIOLs research and the prevailing research trends in the realm of PIOLs encompass the adoption of EDoF IOLs,trifocal IOLs,and their respective Toric models.

关键词： premium intraocular lens bibliometric H-index cataract surgery global trends

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Repeatability and reproducibility of corneal higher-order aberrations measurements after small incision lenticule extraction using the Scheimpfug-Placido topographer

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eye and Vision 2024年第1期10卷 1-9页

作者： Rui Ning Rongrong Gao David PPiñero Jun Zhang Qingyi Gao Yili Jin Yiran Wang Chenxiao Wang Jinhai Huang eye Hospital and School of Ophthalmology and Optometry Wenzhou Medical UniversityWenzhouZhejiangChina eye institute and Department of Ophthalmology Eye and ENT HospitalFudan UniversityShanghaiChina Group of Optics and Visual Perception Department of OpticsPharmacology and AnatomyUniversity of AlicanteAlicanteSpain NHC Key Laboratory of Myopia(Fudan University) Key Laboratory of MyopiaChinese Academy of Medical SciencesShanghaiChina Shanghai Research Center of Ophthalmology and Optometry ShanghaiChina

Background:To evaluate the precision of corneal higher-order aberrations measurements after small incision lenticule extraction(SMILE)using the Sirius Scheimpfug-Placido topographer(CSO,Italy).Methods:Seventy-fve eyes from 75 postoperative subjects were included in this prospective *** consecutive corneal aberrometric measurements were obtained with the Scheimpfug-Placido topographer by two experienced operators to assess intra-and inter-observer *** within-subject standard deviation(Sw),test-retest repeatability(TRT)and the intraclass correlation coefcient(ICC)were ***:For intraobserver repeatability of anterior and total corneal aberrations,all ICCs were more than 0.922,except for trefoil(0.722 to 0.768).The ICCs of total root mean square(RMS),coma Z(3,±1),and spherical aberration Z(4,0)were over 0.810 while higher-order RMS,trefoil Z(3,±3),and astigmatism II Z(4,±2)were below 0.634 for posterior corneal surface *** Sw values for all types of aberrations were equal to or below 0.07μ*** interobserver reproducibility,all TRT values were no more than 0.12μm,0.05μm,and 0.11μm for anterior,posterior,and total corneal aberrations,*** ICC values ranged from 0.875 to 0.989,from 0.686 to 0.976 and over 0.834 for anterior,posterior,and total corneal aberrations,***:The repeatability of measurements of anterior and total corneal aberrations with the Sirius system in corneas after SMILE surgery was high,except for *** was some variability in posterior corneal aberrometric *** reproducibility of corneal aberrometric measurements was observed between measurements of both examiners,except for trefoil,with poor to moderate reproducibility.

关键词： Sirius Higher-order aberrations Repeatability Reproducibility Small incision lenticule extraction

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Sickle cell retinopathy and systemic disease

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Annals of eye Science 2024年第2期9卷 53-61页

作者： Oladipupo O.Anibire Daniel ABrill Basil K.Williams Jr Meharry Medical College NashvilleTNUSA Department of Ophthalmology University of Cincinnati College of MedicineCincinnatiOHUSA Cincinnati eye institute CincinnatiOHUSA Bascom Palmer eye institute University of Miami Miller School of MedicineMiamiFLUSA

Sickle cell disease(SCD)is a widespread hemoglobinopathy that results in significant patient morbidity and *** occlusion can cause acute pain,acute chest syndrome,and avascular necrosis,while hemolysis and endothelial disruption can cause ischemic stroke,leg ulcers,pulmonary hypertension,and *** ocular and orbital structures can be affected by SCD ischemic events,including orbital bone infarction,ischemic optic neuropathy,retinal artery occlusion,hyphema,secondary glaucoma,sickle cell maculopathy,and sickle cell *** sickle cell retinopathy(PSR)is the most common cause of vision *** PSR can lead to macular ischemia,vitreous hemorrhage,and tractional retinal *** screening exams and multimodal imaging can lead to earlier detection of sickle cell retinopathy and improved patient *** patients undergoing vitreoretinal surgery may require coordination of care with hematologists to avoid ischemic *** hydroxyurea was the only United States Food and Drug Administration approved treatment for several decades,patients with SCD now have several more treatment *** the United States screening all infants for SCD,there can be delays in diagnosis and *** review article aims to provide an overview of sickle disease for the ophthalmologist,and to discuss emerging treatment options and current management of SCD ocular complications.

关键词： Sickle cell anemia sickle cell disease(SCD) sickle cell retinopathy retinal detachment vitreous hemorrhage(VH)

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Optimal transcorneal electrical stimulation parameters for preserving photoreceptors in a mouse model of retinitis pigmentosa

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Neural Regeneration Research 2024年第11期19卷 2543-2552页

作者： Sam Enayati Karen Chang Anton Lennikov Menglu Yang Cherin Lee Ajay Ashok Farris Elzaridi Christina Yen Kasim Gunes Jia Xie Kin-Sang Cho Tor Paaske Utheim Dong Feng Chen Schepens eye Research institute of Massachusetts eye and Ear Department of OphthalmologyHarvard Medical SchoolBostonMAUSA institute of clinical medicine Faculty of MedicineUniversity of OsloOsloNorway Department of Medical Biochemistry Oslo University HospitalUniversity of OsloOsloNorway Department of Ophthalmology Drammen HospitalVestre Viken Hospital TrustDrammenNorway Department of Histology and Embryology School of MedicineMarmara UniversityIstanbulTurkiye

Retinitis pigmentosa is a hereditary retinal disease that affects rod and cone photoreceptors,leading to progressive photoreceptor *** research supports the beneficial effect of electrical stimulation on photoreceptor *** study aims to identify the most effective electrical stimulation parameters and functional advantages of transcorneal electrical stimulation(tcES)in mice affected by inherited retinal ***,the study seeked to analyze the electric field that reaches the retina in both eyes in mice and post-mortem *** this study,we recorded waveforms and voltages directed to the retina during transcorneal electrical stimulation in C57BL/6J mice using an intraocular needle probe with rectangular,sine,and ramp *** investigate the functional effects of electrical stimulation on photoreceptors,we used human retinal explant cultures and rhodopsin knockout(Rho^(-/-))mice,demonstrating progressive photoreceptor degeneration with *** retinal explants isolated from the donors’eyes were then subjected to electrical stimulation and cultured for 48 hours to simulate the neurodegenerative environment in *** density was evaluated by rhodopsin *** vivo Rho^(-/-)mice were subjected to two 5-day series of daily transcorneal electrical stimulation using rectangular and ramp *** function and visual perception of mice were evaluated by electroretinography and optomotor response(OMR),*** was used to assess the morphological and biochemical changes of the photoreceptor and bipolar cells in mouse *** recordings indicated effective delivery of rectangular,sine,and ramp waveforms to the retina by transcorneal electrical stimulation,of which the ramp waveform required the lowest *** of the total conductive resistance of the post-mortem human compared to the mouse eyes indicated higher cornea-to-retina resistance in human *** tem

关键词： bipolar cells electrical stimulation neuroprotection photoreceptor degeneration retina retinal explants retinitis pigmentosa transcorneal electrical stimulation waveform

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PACK-CXL *** therapy for bacterial,fungal,and mixed infectious keratitis:a prospective randomized phase 3 trial

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eye and Vision 2024年第1期10卷 10-20页

作者： Farhad Hafezi Mohammed Hosny Rohit Shetty Boris Knyazer Shihao Chen Qinmei Wang Hassan Hashemi Emilio A.Torres‑Netto 无 Center for Applied Biotechnology and Molecular Medicine(CABMM) University of ZurichZurichSwitzerland ELZA institute DietikonSwitzerland. Faculty of Medicine University of GenevaGenevaSwitzerland Department of Ophthalmology Medical University of WenzhouWenzhouChina USC Roski eye institute University of Southern California Los AngelesLos AngelesUSA Department of Ophthalmology University of CairoCairoEgypt Narayana Nethralaya eye Hospital and the Postgraduate institute of Ophthal‑mology BangaloreIndia Department of Ophthalmology Soroka University Medical CenterBen-Gurion University of the NegevBeershebaIsrael Noor Ophthalmology Research Center Noor Eye HospitalTehranIran University Hospital Zurich ZurichSwitzerland. the PACK-CXL Working Group

Background:Infectious keratitis is a major cause of global *** tested whether standalone photoactivated chromophore corneal cross-linking(PACK-CXL)may be an efective frst-line treatment in early to moderate infectious keratitis,compared with standard antimicrobial ***:This is a randomized,controlled,multinational phase 3 clinical *** in fve centers in Egypt,India,Iran,Israel,and China,aged≥18 years,with infectious keratitis of presumed bacterial,fungal,or mixed origin,were randomly assigned(1:1)to PACK-CXL,or antimicrobial *** measures included healing,defned as time to re-epithelialization of the corneal epithelial defect in the absence of infammatory activity in the anterior chamber and clearance of stromal *** success was defned as the complete resolution of signs of ***:Between July 21,2016,and March 4,2020,participants were randomly assigned to receive PACK-CXL(n=18)or antimicrobial therapy per American Academy of Ophthalmology(AAO)guidelines(n=21).No participants were lost to *** eyes were excluded from the epithelialization time analysis due to treatment failure:two in the antimicrobial therapy group,and two in the PACK-CXL *** rates were 88.9%(16/18 patients)in the PACK-CXL group and 90.5%(19/21 patients)in the medication *** was no signifcant diference in time to complete corneal re-epithelialization(P=0.828)between both treatment ***:PACK-CXL may be an alternative to antimicrobial drugs for frst-line and standalone treatment of early to moderate infectious keratitis of bacterial or fungal origin.

关键词： Photoactivated chromophore Corneal cross-linking Infectious keratitis Corneal melting PACK-CXL

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Application of total keratometry in ten intraocular lens power calculation formulas in highly myopic eyes

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eye and Vision 2024年第2期10卷 22-30页

作者： Ling Wei Kaiwen Cheng Wenwen He Xiangjia Zhu Yi Lu Department of Ophthalmology and eye institute Eye and ENT Hospital of Fudan UniversityShanghai 200031China Key Laboratory of Myopia(Fudan University)Key Laboratory of MyopiaShanghai Key Laboratory of Visual Impairment and Restoration National Health CommissionChinese Academy of Medical ScienceShanghai 200031China State Key Laboratory of Medical Neurobiology Fudan UniversityShanghai 200031China

Background:The accuracy of using total keratometry(TK)value in recent IOL power calculation formulas in highly myopic eyes remained ***:Highly myopic patients who underwent uneventful cataract surgery were prospectively enrolled in this prospective comparative *** one month postoperatively,standard deviation(SD)of the prediction errors(PEs),mean and median absolute error(MedAE)of 103 highly myopic eyes were back-calculated and compared among ten formulas,including XGboost,RBF 3.0,Kane,Barrett Universal II,Emmetropia Verifying Optical 2.0,Cooke K6,Haigis,SRK/T,and Wang-Koch modifications of Haigis and SRK/T formulas,using either TK or standard keratometry(K)***:In highly myopic eyes,despite good agreement between TK and K(P>0.05),larger differences between the two were associated with smaller central corneal thickness(P0.05),which both presented smaller MedAEs than others(all Peyes within±0.50 D or±0.75 D of PE,the XGBoost TK showed comparable percentages with the RBF 3.0 TK formula(74.76%vs.66.99%,or 90.29%vs.87.38%,P>0.05),and statistically larger percentages than the other eight formulas(Peyes with thinner corneas tend to have larger differences between TK and *** XGboost enhancement calculator and RBF 3.0 formula using TK showed the most promising outcomes in highly myopic eyes.

关键词： High myopia Total keratometry Cataract surgery IOL power calculation

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