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High-speed impulsive stimulated Brillouin microscopy

Photonics Research 2024年第4期12卷 730-739页

作者： JIARUI LI TAORAN LE HONGYUAN ZHANG HAOYUN WEI YAN LI State Key Laboratory of Precision Measurement Technology and Instruments Department of Precision InstrumentTsinghua UniversityBeijing 100084China Cole eye Institute Cleveland ClinicClevelandOhio 44195USA

Brillouin microscopy, which maps the elastic modulus from the frequency shift of scattered light, has evolved to a faster speed for the investigation of rapid biomechanical changes. Impulsive stimulated Brillouin scattering (ISBS)spectroscopy has the potential to speed up measurement through the resonant amplification interaction from pulsed excitation and time-domain continuous detection. However, significant progress has not been achieved due to the limitation in signal-to-noise ratio (SNR) and the corresponding need for excessive averaging to maintain high spectral precision. Moreover, the limited spatial resolution also hinders its application in mechanical imaging. Here, by scrutinizing the SNR model, we design a high-speed ISBS microscope through multi-parameter optimization including phase, reference power, and acquisition time. Leveraging this, with the further assistance of the Matrix Pencil method for data processing, three-dimensional mechanical images are mapped under multiple contrast mechanisms for a millimeter-scale polydimethylsiloxane pattern immersed in methanol, enabling the identification of these two transparent materials without any contact or labeling. Our experimental results demonstrate the capability to maintain high spectral precision and resolution at a sub-millisecond integration time for one pixel. With a two-order improvement in the speed and a tenfold improvement in the spatial resolution over the state-of-the-art systems, this method makes it possible for ISBS microscopes to sensitively investigate rapid mechanical changes in time and space.

关键词： Brillouin maintain methanol

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Comment on:Recurrence after spontaneous separation of epiretinal membrane in a young woman:a case report

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International Journal of Ophthalmology(English edition) 2024年第4期17卷 783-784页

作者： Yusuke Kameda Yutaka Kaneko Karin Ishinabe Nichika Fukuoka Yotsuya-sanchome Ekimae eye clinic Tokyo 160-0004Japan Department of Ophthalmology and Visual Sciences Yamagata University Faculty of MedicineYamagata 990-9585Japan

Dear Editor,Herein,we provide a commentary on the recently published article by Zeng QZ and Yu WZ[1].This case report provides interesting novel insights into the recurrence of epiretinal membrane(ERM)following self-separation in a young *** addition to the study,we have been investigating spontaneous ERM release for many years and have recently published a related paper[2].

关键词： separation young release

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Unlocking the versatile potential:Adipose-derived mesenchymal stem cells in ocular surface reconstruction and oculoplastics

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World Journal of Stem Cells 2024年第2期16卷 89-101页

作者： Pier Luigi Surico Anna Scarabosio Giovanni Miotti Martina Grando Carlo Salati Pier Camillo Parodi Leopoldo Spadea Marco Zeppieri Schepens eye Research Institute of Mass eye and Ear Harvard Medical SchoolBostonMA 02114United States Department of Ophthalmology Campus Bio-Medico UniversityRome 00128Italy Department of Plastic Surgery University Hospital of UdineUdine 33100Italy Department of Internal Medicine Azienda Sanitaria Friuli OccidentaleSan Vito al Tagliamento 33078Italy Department of Ophthalmology University Hospital of UdineUdine 33100Italy eye clinic Policlinico Umberto I“Sapienza”University of RomeRome 00142Italy

This review comprehensively explores the versatile potential of mesenchymal stem cells(MSCs)with a specific focus on adipose-derived *** and oculoplastic surgery,encompassing diverse procedures for ocular and periocular enhancement,demands advanced solutions for tissue restoration,functional and aesthetic refinement,and *** immunomodulatory,regenerative,and healing capacities of MSCs,this review underscores the potential use of adipose-derived MSCs as a cost-effective alternative from bench to bedside,addressing common unmet needs in the field of reconstructive and regenerative surgery.

关键词： Stem cells Adipose stem cell Ocular therapy Oculoplastics Regenerative

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Whole-eye transplantation: Current challenges and future perspectives

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World Journal of Transplantation 2024年第2期14卷 28-39页

作者： Anna Scarabosio Pier Luigi Surico Vlad Tereshenko Rohan Bir Singh Carlo Salati Leopoldo Spadea Glenda Caputo Pier Camillo Parodi Caterina Gagliano Jonathan M Winograd Marco Zeppieri Department of Plastic Surgery University Hospital of UdineUdine 33100Italy Department of Plastic Surgery Massachusetts General HospitalHarvard Medical SchoolBostonMA 02114United States Schepens eye Research Institute of Mass eye and Ear Harvard Medical SchoolBostonMA 02114United States Department of Ophthalmology University Hospital of UdineUdine 33100Italy eye clinic Policlinico Umberto I"Sapienza"University of RomeRome 00142Italy Department of Medicine and Surgery University of Enna"Kore"Enna 94100Italy eye clinic Catania university San Marco Hospital Viale Carlo Azeglio Ciampi 95121 CataniaItaly

Whole-eye transplantation emerges as a frontier in ophthalmology,promising a transformative approach to irreversible *** advancements,formidable challenges *** of donor eye viability post-enucleation necessitates meticulous surgical techniques to optimize retinal integrity and ganglion cell *** the inhibitory milieu of the central nervous system for successful optic nerve regeneration remains elusive,prompting the exploration of neurotrophic support and immunomodulatory *** tolerance,paramount for graft acceptance,confronts the distinc-tive immunogenicity of ocular tissues,driving research into targeted immunosup-pression *** and legal considerations underscore the necessity for stringent standards and ethical *** collaboration and ongoing research endeavors are imperative to navigate these ***,stem cell therapies,and precision immunomodulation represent promising avenues in this ***,the aim of this review is to critically assess the current landscape of whole-eye transplantation,elucidating the challenges and advancements while delineating future directions for research and clinical *** concerted efforts,whole-eye transplantation stands to revolu-tionize ophthalmic care,offering hope for restored vision and enhanced quality of life for those afflicted with blindness.

关键词： eye Transplantation Optic nerve Nerve regeneration Immunological tolerance

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Intra-and interobserver reliability of ocular surface analyzer LacryDiag

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International Journal of Ophthalmology(English edition) 2024年第8期17卷 1418-1422页

作者： Eva Kos Valentina Cigić Mladen Bušić Mirjana Bjeloš Daliborka Miletić Biljana KuzmanovićElabjer university eye clinic University Hospital“Sveti Duh”Sveti Duh 64Zagreb 10000Croatia Faculty of Dental Medicine and Health Care Osijek Faculty of Medicine OsijekUniversity Josip Juraj Strossmayer in OsijekOsijek 31000Croatia

AIM:To invastigate intra-and interobserver reliability of interferometry,tear meniscus height(TMH)measurement and meibography(MBG)of an ocular surface analyzer,LacryDiag(Quantel Medical,France).METHODS:Five consecutive measurements and subsequent analysis of interferometry,TMH,and MBG were recorded by two examiners using the *** assess intra-and interobserver reliability,we used Cohen’s kappa for categorical variables(interferometry),or intraclass correlation coefficient for continuous variables(TMH,MBG).RESULTS:Thirty eyes of 30 examinees were *** both observers,there was excellent intraobserver reliability for MBG(0.955 and 0.970 for observer 1 and 2,respectively).Intraobserver reliability for observer 1 was substantial for interferometry(0.799),and excellent for TMH(0.863).Reliability for observer 2 was moderate for interferometry(0.535)and fair to good for TMH(0.431).Interobserver reliability was poor for interferometry(0.074)and fair to good for TMH(0.680)and MBG(0.414).CONCLUSION:LacryDiag ocular surface analyzer in our study proves to be a reliable noninvasive tool for the evaluation of TMH and *** for interferometry,poor interobserver reliability,fair to good intraobserver reliability for observer 1,and moderate for observer 2,leave room for improvement.

关键词： dry eye ocular surface analyzer interferometry tear meniscus height meibography

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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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Corneal collagen cross-linking in patients with keratoconus from the Dresden protocol to customized solutions:theoretical basis

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International Journal of Ophthalmology(English edition) 2024年第5期17卷 951-962页

作者： Ciro Caruso Luca D’Andrea Mario Troisi Michele Rinaldi Raffaele Piscopo Salvatore Troisi Ciro Costagliola Corneal Transplant Center Pellegrini HospitalVia Portamedina alla Pignasecca 41Napoli 80127Italy eye clinic Department of NeurosciencesReproductive and Odontostomatological SciencesUniversity of Naples Federico IINaples 80131Italy Public Health Department University of Naples Federico IINaples 80131Italy Salerno Hospital university Ophthalmologic UnitBaronissiCampania 84131Italy

Keratoconus is an ectatic condition characterized by gradual corneal thinning,corneal protrusion,progressive irregular astigmatism,corneal fibrosis,and visual *** therapeutic options regarding improvement of visual function include glasses or soft contact lenses correction for initial stages,gas-permeable rigid contact lenses,scleral lenses,implantation of intrastromal corneal ring or corneal transplants for most advanced *** keratoconus cases showing disease progression corneal collagen crosslinking(CXL)has been proven to be an effective,minimally invasive and safe *** consists of a photochemical reaction of corneal collagen by riboflavin stimulation with ultraviolet A radiation,resulting in stromal crosslinks *** aim of this review is to carry out an examination of CXL methods based on theoretical basis and mathematical models,from the original Dresden protocol to the most recent developments in the technique,reporting the changes proposed in the last 15y and examining the advantages and disadvantages of the various treatment ***,the limits of non-standardized methods and the perspectives offered by a customization of the treatment are highlighted.

关键词： corneal collagen cross linking keratoconus custom fast protocol Dresden protocol lambert-beer law Bunsen-roscoe law

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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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Erratum to “Identification of Novel Nonsense RPGR Variant Causing Mild X-Linked Cone-Rod Dystrophy and Myopia” [Case Reports in clinical Medicine Volume 11 (2022) 422-434]

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Case Reports in clinical Medicine 2024年第3期13卷 85-86页

作者： Kunka Kamenarova Sylvia Cherninkova Kalina Mihova Rosen Georgiev Yana Nikolaeva Radka Kaneva Molecular Medicine Center Department of Medical Chemistry and Biochemistry Medical Faculty Medical University—Sofia Sofia Bulgaria Laboratory of Genomic Diagnostics Department of Medical Chemistry and Biochemistry Medical Faculty Medical University—Sofia Sofia Bulgaria clinic of Nervous diseases University Hospital “Alexandrovska” Sofia Bulgaria clinic of eye Diseases University Hospital “Alexandrovska” Sofia Bulgaria eye clinic “Vision” Sofia Bulgaria

The original online version of this article (Kamenarova, K., Cherninkova, S., Mihova, K., Georgiev, R., Nikolaeva, Y. and Kaneva, R. (2022) Identification of Novel Nonsense RPGR Variant Causing Mild X-Linked Cone-Rod Dystrophy and Myopia. Case Reports in clinical Medicine, 11, 422-434. DOI: 10.4236/crcm.2022.1110059) unfortunately contains a mistake. The authors need to replace Figure 1.

关键词： Erratum

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Biomarkers for neuromyelitis optica:a visual analysis of emerging research trends

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Neural Regeneration Research 2024年第12期19卷 2735-2749页

作者： Xiangjun Li Jiandong Zhang Siqi Zhang Shengling Shi Yi’an Lu Ying Leng Chunyan Li Department of Ophthalmology Affiliated Hospital of Beihua UniversityJilinJilin ProvinceChina Department of Ophthalmology Changchun Bright Eye HospitalChangchunJilin ProvinceChina Departemt of Endocrinology Affiliated Hospital of Beihua UniversityJilinJilin ProvinceChina

Neuromyelitis optica is an inflammatory demyelinating disease of the central nervous system that differs from multiple *** the past 20 years,the search for biomarke rs for neuromyelitis optica has been ***,we used a bibliometric approach to analyze the main research focus in the field of biomarkers for neuromyelitis *** in this area is consistently increasing,with China and the United States leading the way on the number of studies *** Mayo clinic is a highly reputable institution in the United States,and was identified as the most authoritative institution in this ***,Professor Wingerchuk from the Mayo clinic was the most authoritative expe rt in this *** analysis revealed that the terms "neuro myelitis optica"(261 times), "multiple sclerosis"(220 times), "neuromyelitis optica spectrum disorder"(132 times), "aquaporin4"(99 times),and "optical neuritis"(87 times) were the most frequently used keywords in literature related to this *** analysis of the classical literature showed that the majority of publications provide conclusive research evidence supporting the use of aquaporin-4-IgG and neuromyelitis optica-IgG to effectively diagnose and differentiate neuromyelitis optica from multiple ***,aquaporin-4-IgG has emerged as a highly specific diagnostic biomarker for neuromyelitis optica spectrum *** oligodendrocyte glycoprotein-IgG is a diagnostic biomarke r for myelin oligodendrocyte glycoprotein antibody-associated *** biomarkers for neuromyelitis optica in clude cerebrospinal fluid immunological biomarkers such as glial fibrillary acidic protein,serum astrocyte damage biomarkers like FAM19A5,serum albumin,and gammaaminobutyric *** latest prospective clinical trials are exploring the potential of these *** results indicate that glial fibrillary acidic protein is emerging as a promising candidate biomarker for neuromyelit

关键词： aquaporin-4 autoantibody multiple sclerosis myelin oligodendrocyte glycoprotein antibody-associated disease neuromyelitis optica neuromyelitis optica spectrum disorder optical coherence tomography

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