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Optical coherence tomography angiography metrics in different stages of diabetic macular edema

eye and Vision 2024年第3期10卷 13-20页

作者： Ruyi Han Ruowen Gong Wei Liu Gezhi Xu eye institute and Department of Ophthalmology Eye and ENT Hospital of Fudan University83 Fenyang RoadShanghai200031People’s Republic of China Key Laboratory of Visual Impairment and Restoration Fudan UniversityShanghaiPeople’s Republic of China Key Laboratory of Myopia(Fudan University) Chinese Academy of Medical SciencesNational Health CommissionShanghaiPeople’s Republic of China

Background To investigate the optical coherence tomography angiography(OCTA)characteristics of diabetic macular edema(DME)at different *** This study was a cross-sectional *** diagnosed with DME were *** was classified into early,advanced,and severe *** vessel density(VD)in the superficial vascular plexus(sVP),deep vascular plexus(DVP)and foveal avascular zone(FAZ)parameters,including FAZ area,FAZ perimeter,acircularity index and foveal VD in a 300-μm-wide region around the FAZ(FD-300),were calculated by the AngioVue software.A multivariate generalized estimating equation was used to evaluate the associations between visual acuity and OCTA *** Ninety-two eyes from 74 patients with DME were included in this *** to early(P=0.006)and advanced DME(P=0.003),the acircularity index was higher in severe *** whole and parafoveal VD in the DVP decreased in eyes with severe DME compared to early DME(P=0.018,P=0.005,respectively)and advanced DME(P=0.035,P=0.012,respectively).In the multivariate generalized estimating equation,DME severity,FAZ area and foveal thickness were positively associated with worse visual acuity(P=0.001,P=0.007 and P=0.001,respectively).Conclusion Compared to early and advanced DME,severe DME showed increased irregularity in the FAZ and more extensive vessel damage in the *** severity level of DME,larger FAZ area,and increased foveal thickness could be risk factors for poor visual *** registration The protocol was published in the Chinese Clinical Trial Registry(ChiCTR2000033082).

关键词： Optical coherence tomography angiography Diabetic macular edema Vessel density Acircularity index

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Role of hsa_circ_0007482 in pterygium development: insights into proliferation, apoptosis, and clinical correlations

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International Journal of Ophthalmology(English edition) 2024年第8期17卷 1387-1395页

作者： Li-Yun Zhang Xin Liu shuo Zheng Wen-Qun Xi Xue-Ping Wu Dan-Yao Nie Hui-Ling Hu Jian-Tao Wang Xin-Hua Liu Jing Zhang shenzhen eye Hospital Jinan UniversityShenzhen Eye InstituteShenzhen 518000Guangdong ProvinceChina

AIM:To investigate the impact of hsa_circ_0007482 on the proliferation and apoptosis of human pterygium fibroblasts(HPFs)and its correlation with the severity grades of ***:Pterygium and normal conjunctival tissues were collected from the superior area of the same patient’s eye(n=33).The correlation between pterygium severity and hsa_circ_0007482 expression using quantitative reversetranscription polymerase chain reaction(RT-qPCR)were *** distinct siRNA sequences targeting hsa_circ_0007482,along with a negative control sequence,were transfected into *** proliferation was assessed using the cell counting *** levels of Ki67,proliferating cell nuclear antigen(PCNA),Cyclin D1,Bax,B-cell lymphoma-2(Bcl-2),and Caspase-3 were measured via *** staining was employed to detect Ki67 and vimentin *** was evaluated using flow ***:Hsa_circ_0007482 expression was significantly higher in pterygium tissues compared to normal conjunctival tissues(Psitive correlations were observed between hsa_circ_0007482 expression and pterygium severity,thickness,and vascular *** of hsa_circ_0007482 inhibited cell proliferation,reducing the mRNA expression of Ki67,PCNA,and Cyclin D1 in ***_circ_0007482 knockdown induced apoptosis,increasing mRNA expression levels of Bax and Caspase-3,while decreasing Bcl-2 expression in ***,hsa_circ_0007482 knockdown attenuated vimentin expression in ***:The downregulation of hsa_circ_0007482 effectively hampers cell proliferation and triggers apoptosis in *** are discernible positive correlations detected between the expression of hsa_circ_0007482 and the severity of pterygium.

关键词： hsa_circ_0007482 circular RNA pterygium cell proliferation apoptosis

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Relative peripheral refraction in school children with different refractive errors using a novel multispectral refraction topographer

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International Journal of Ophthalmology(English edition) 2024年第8期17卷 1477-1482页

作者： Hui-Ling Hu serena Zhe-Chuang Li Ai-Ying Feng Hao-Xi Zhong Jing-Feng Mu Mei-Zhou Liu shenzhen eye Hospital Jinan UniversityShenzhen Eye InstituteShenzhen 518040Guangdong ProvinceChina NIMO Ophthalmology Research institute Beijing 100176China

AIM:To compare relative peripheral refraction(RPR)in Chinese school children with different refractive errors using multispectral refraction topography(MRT).METHODs:A total of 713 eyes of primary school children[172 emmetropia(E),429 low myopia(LM),80 moderate myopia(MM),and 32 low hypermetropia(LH)]aged 10 to 13y were *** were measured using MRT without *** results showed RPR at 0-15°(RPR 0-15),15°-30°(RPR 15-30),and 30°-45°(RPR 30-45)annular in the inferior(RPR-I),superior(RPR-s),nasal(RPR-N),and temporal(RPR-T)*** equivalent(sE)was detected and calculated using an ***:There were significant differences of RPR 15-30 between groups MM[0.02(-0.12;0.18)]and LH[-0.13(-0.36;0.12)](Pso significant differences of RPR 30-45 between groups MM[0.45(0.18;0.74)]and E[0.29(-0.09;0.67)](Ps increased from the hyperopic to medium myopic group in each *** were significant differences of RPR-s between groups MM[-0.02(-0.60;0.30)]and E[-0.44(-0.89;-0.04)](Pso significant differences of RPR-T between groups MM[0.37(0.21;0.78)]and LH[0.14(-0.52;0.50)](Pspearman’s correlation analysis showed a negative correlation between RPR and sE in the 15°-30°(P=0.005),30°-45°(Psuperior(Ps for RPR 15-30,30-45,RPR-s,and T shows significant differences between myopic eyes and emmetropia,and the differences are negatively correlated with sE.

关键词： relative peripheral refraction myopia school children multispectral refraction topography

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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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Bibliometric analysis of hotspots and trends of global myopia research

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International Journal of Ophthalmology(English edition) 2024年第5期17卷 940-950页

作者： Xing-Yang Wu Hui-Hui Fang Yan-Wu Xu Yan-Ling Zhang shao-Chong Zhang Wei-Hua Yang shenzhen eye institute Shenzhen Eye HospitalJinan UniversityShenzhen 518040Guangdong ProvinceChina school of Future Technology South China University of TechnologyGuangzhou 510641Guangdong ProvinceChina

AIM:To gain insights into the global research hotspots and trends of ***:Articles were downloaded from January 1,2013 to December 31,2022 from the science Core Database website and were mainly statistically analyzed by bibliometrics ***:A total of 444 institutions in 87 countries published 4124 *** 2013 and 2022,China had the highest number of publications(n=1865)and the highest H-index(61).sun Yat-sen University had the highest number of publications(n=229)and the highest H-index(33).Ophthalmology is the main category in related *** from 2020 to 2022 highlight keywords of options and reference,child health(pediatrics),myopic traction mechanism,public health,and machine learning,which represent research ***:Myopia has become a hot research *** and Chinese institutions have the strongest academic influence in the field from 2013 to *** main driver of myopic research is still medical or *** study highlights the importance of public health in addressing the global rise in myopia,especially its impact on children’s *** present,a unified theoretical system is still *** surgical and therapeutic solutions must be proposed for people with different characteristics to manage and intervene refractive *** addition,the benefits of artificial intelligence(AI)models are also reflected in disease monitoring and prediction.

关键词： bibliometric analysis myopia global trends

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Clinical associations of corneal neuromas with ocular surface diseases

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Neural Regeneration Research 2024年第1期19卷 140-147页

作者： Charmaine Jan Li Toh Chang Liu Isabelle Xin Yu Lee Molly Tzu Yu Lin Louis Tong Yu-Chi Liu Lee Kong Chian school of Medicine Nanyang Technological UniversitySingapore singapore eye Research institute Singapore Department of Cornea and External eye Disease Singapore National Eye CentreSingapore Ophthalmology and Visual sciences Academic Clinical Program Duke-NUS Medical SchoolSingapore

Corneal neuromas,also termed microneuromas,refer to microscopic,irregula rly-shaped enlargements of terminal subbasal nerve endings at sites of nerve damage or *** formation of corneal neuromas results from damage to corneal nerves,such as following corneal pathology or corneal or intraocular surge ***,denervated areas of sensory nerve fibers become invaded by sprouts of intact sensory nerve fibers,and later injured axons regenerate and new sprouts called neuromas *** recent years,analysis of corneal nerve abnormalities including corneal neuromas which can be identified using in vivo confocal microscopy,a non-invasive imaging technique with microscopic resolution,has been used to evaluate corneal neuropathy and ocular surface *** neuromas have been shown to be associated with clinical symptoms of discomfort and dryness of eyes,and are a promising surrogate biomarker for ocular surface diseases,such as neuropathic corneal pain,dry eye disease,diabetic corneal neuropathy,neurotrophic keratopathy,sjogren's syndrome,bullous keratopathy,post-refra ctive surgery,and *** this review,we have summarized the current literature on the association between these ocular surface diseases and the presentation of corneal microneuromas,as well as elaborated on their pathogenesis,visualization via in vivo confocal microscopy,and utility in monitoring treatment *** current quantitative analysis on neuromas mainly relies on manual annotation and quantification,which is user-dependent and labor-intensive,future direction includes the development of artificial intelligence software to identify and quantify these potential imaging biomarkers in a more automated and sensitive manner,allowing it to be applied in clinical settings more *** imaging and molecular biomarkers may also help elucidate the associations between corneal neuromas and ocular surface diseases.

关键词： cornea corneal diseases corneal nerve corneal neuropathy in vivo confocal microscopy microneuroma neuroma ocular surface diseases

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Intelligent diagnosis of retinal vein occlusion based on color fundus photographs

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International Journal of Ophthalmology(English edition) 2024年第1期17卷 1-6页

作者： Yu-Ke Ji Rong-Rong Hua sha Liu Cui-Juan Xie shao-Chong Zhang Wei-Hua Yang eye Hospital Nanjing Medical UniversityNanjing 210000Jiangsu ProvinceChina College of Electronic Information Engineering Nanjing University of Aeronautics and AstronauticsNanjing 210000Jiangsu ProvinceChina shenzhen eye institute Shenzhen Eye HospitalJinan UniversityShenzhen 518000Guangdong ProvinceChina

AIM:To develop an artificial intelligence(AI)diagnosis model based on deep learning(DL)algorithm to diagnose different types of retinal vein occlusion(RVO)by recognizing color fundus photographs(CFPs).METHODs:Totally 914 CFPs of healthy people and patients with RVO were collected as experimental data sets,and used to train,verify and test the diagnostic model of *** the images were divided into four categories[normal,central retinal vein occlusion(CRVO),branch retinal vein occlusion(BRVO),and macular retinal vein occlusion(MRVO)]by three fundus disease *** Transformer was used to build the RVO diagnosis model,and different types of RVO diagnosis experiments were *** model’s performance was compared to that of the ***:The accuracy of the model in the diagnosis of normal,CRVO,BRVO,and MRVO reached 1.000,0.978,0.957,and 0.978;the specificity reached 1.000,0.986,0.982,and 0.976;the sensitivity reached 1.000,0.955,0.917,and 1.000;the F1-sore reached 1.000,0.9550.943,and 0.887 *** addition,the area under curve of normal,CRVO,BRVO,and MRVO diagnosed by the diagnostic model were 1.000,0.900,0.959 and 0.970,*** diagnostic results were highly consistent with those of fundus disease experts,and the diagnostic performance was ***:The diagnostic model developed in this study can well diagnose different types of RVO,effectively relieve the work pressure of clinicians,and provide help for the follow-up clinical diagnosis and treatment of RVO patients.

关键词： deep learning artificial intelligence swin Transformer diagnostic model retinal vein occlusion color fundus photographs

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Designing a medical ethics curriculum in ophthalmology

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Annals of eye science 2024年第1期9卷 4-9页

作者： Matthew D.Gearinger Flaum eye institute University of Rochester Medical CenterRochesterNYUSA

Ethical principles form a bedrock to medical practice in any specialty,guiding physicians to appropriate attitudes and behaviors.A formal ethics curriculum can be difficult to generate de novo in an ophthalmology training program.A number of barriers exist in most ophthalmology departments:trainees may think ethics is of secondary importance compared to core basic and clinical science topics;most ophthalmology faculty have no formal degree in medical ethics;there is limited didactic time with competing academic,clinical,and surgical priorities;work-hours regulations may limit the time available to deliver“para-professional”lectures;and there is a belief that the medical ethics lectures during medical school is a sufficient amount of coursework to last through a physician’s career with no need for continuing professional *** four pillars of medical ethics are beneficence,non-maleficence,autonomy,and *** addition,morals,ethics,and professionalism are important aspects of sound medical practice.A curriculum specific to medical ethics in ophthalmology can be developed in any of our sub-specialties and include lectures,curated readings,case rounds,and clinic wrap-up *** considerations are part of everyday clinical practice,and a structured ethics curriculum can be incorporated into ophthalmology training *** concept of backward design can be used to structure the curriculum,starting with the expected outcome,then designing authentic assessments,and finally putting together a learning plan that has students actively involved in ethical *** paper will provide a guide to developing an ethics curriculum for an ophthalmology training program utilizing the concept of backwards design and guide the reader through the process of developing expected learning outcomes,authentic assessments,and a unified learning plan.

关键词： Medical ethics curriculum design medical education

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Construction and validation of a neovascular glaucoma nomogram in patients with diabetic retinopathy after pars plana vitrectomy

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World Journal of Diabetes 2024年第4期15卷 654-663页

作者： Yi shi Yan-Xin Zhang Ming-Fei Jiao Xin-Jun Ren Bo-Jie Hu Ai-Hua Liu Xiao-Rong Li surgical Retina Tianjin Key Laboratory of Retinal Functions and DiseasesTianjin Branch of National Clinical Research Center for Ocular DiseaseEye Institute and School of OptometryTianjin Medical University Eye HospitalTianjin 300384China Glaucoma Tianjin Key Laboratory of Retinal Functions and DiseasesTianjin Branch of National Clinical Research Center for Ocular DiseaseEye Institute and School of OptometryTianjin Medical University Eye HospitalTianjin 300384China Ocular Trauma Tianjin Key Laboratory of Retinal Functions and DiseasesTianjin Branch of National Clinical Research Center for Ocular DiseaseEye Institute and School of OptometryTianjin Medical University Eye HospitalTianjin 300384China

BACKGROUND Neovascular glaucoma(NVG)is likely to occur after pars plana vitrectomy(PPV)for diabetic retinopathy(DR)in some patients,thus reducing the expected *** the risk factors for NVG occurrence and building effective risk prediction models are currently required for clinical *** To develop a visual risk profile model to explore factors influencing DR after *** We retrospectively selected 151 patients with DR undergoing *** patients were divided into the NVG(NVG occurrence)and No-NVG(No NVG occurrence)groups according to the occurrence of NVG within 6 months after *** risk factors for postoperative NVG were screened by logistic regression.A nomogram prediction model was established using R software,and the model’s prediction accuracy was verified internally and externally,involving the receiver operator characteristic curve and correction *** After importing the data into a logistic regression model,we concluded that a posterior capsular defect,preoperative vascular endothelial growth factor≥302.90 pg/mL,glycosylated hemoglobin≥9.05%,aqueous fluid interleukin 6(IL-6)≥53.27 pg/mL,and aqueous fluid IL-10≥9.11 pg/mL were independent risk factors for postoperative NVG in patients with DR(Ps established based on the aforementioned independent risk factors,and a computer simulation repeated sampling method was used to internally and externally verify the nomogram *** area under the curve(AUC),sensitivity,and specificity of the model were 0.962[95%confidence interval(95%CI):0.932-0.991],91.5%,and 82.3%,*** AUC,sensitivity,and specificity of the external validation were 0.878(95%CI:0.746-0.982),66.7%,and 95.7%,*** A nomogram constructed based on the risk factors for postoperative NVG in patients with DR has a high prediction *** study can help formulate relevant preventive and treatment measures.

关键词： Diabetic retinopathy Retinopathy Neovascular Glaucoma Risk factors Nomogram

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Consilience and unity in ocular anterior segment research

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International Journal of Ophthalmology(English edition) 2024年第7期17卷 1173-1183页

作者： Houmam Araj Department of Health and Human services National Eye Institute/National Institutes of Health(NEI/NIH)BethesdaMaryland 20892USA

In his beautiful book,Consilience:The Unity of Knowledge,the eminent biologist edward O Wilson,advocates the need for integration and reconciliation across the *** defines consilience as“literally a‘jumping together’of knowledge with a linking of facts…to create a common groundwork of explanation”.It is the premise of this paper that as much as basic biomedical research is in need of data generation using the latest available techniques–unifying available knowledge is just as *** involves the necessity to resolve contradictory findings,reduce silos,and acknowledge *** take the cornea and the lens as case studies of our ***,in this perspective,we discuss the conflicting and fragmented information on protein aggregation,oxidative damage,and *** are fields of study that are integrally tied to anterior segment *** goal is to highlight the vital need for Wilson’s consilience and unity of knowledge which in turn should lead to enhanced rigor and reproducibility,and most importantly,to greater understanding and not simply knowing.

关键词： anterior segment ocular surface cornea lens cataract posterior capsular opacification protein aggregation oxidative damage antioxidants fibrosis wound healing consilience

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