Michele Lanza, Luigi Serra, Rosa Boccia, Teresa Cangiano, Italo Fattore, Salvatore Ambrosio, Francesca Simonelli
{"title":"First results of direct selective laser trabeculoplasty for the treatment of glaucoma.","authors":"Michele Lanza, Luigi Serra, Rosa Boccia, Teresa Cangiano, Italo Fattore, Salvatore Ambrosio, Francesca Simonelli","doi":"10.1136/bmjophth-2024-001922","DOIUrl":"10.1136/bmjophth-2024-001922","url":null,"abstract":"<p><strong>Aim: </strong>To evaluate the efficacy and safety of direct selective laser trabeculoplasty (DSLT) on eyes with primary open-angle glaucoma (POAG) and on primary angle closure glaucoma (PACG) eyes at 1 year follow-up.</p><p><strong>Methods: </strong>In this study, 54 patients affected by POAG (76) or PACG (28) undergoing DSLT were enrolled, for a total of 104 eyes. Before each treatment and at each follow-up visit, all subjects underwent a complete eye visit, including the collection of data regarding the number and type of topical medications prescribed for glaucoma. The patients treated underwent 30-2 standardised automated perimetries prior to DSLT, at 6 months and 12 months post DSLT procedure. Each patient was checked at 1 week and subsequently at 1, 3, 6 and 12 months.</p><p><strong>Results: </strong>At 1 month follow-up, both the eyes affected by POAG and those affected by PACG showed significantly (p<0.01) lower mean intraocular pressure (IOP) (-3.67±2.95 mm Hg and -3.93±2.36 mm Hg, respectively) and lower mean number of IOP-lowering topical drugs taken (-0.62±0.57 and -0.78±0.64, respectively) after DSLT. These reductions remained significant until the 1 year follow-up, both for IOP (-3.76±2.84 mm Hg and 3.67±2.46 mm Hg, respectively) and for drugs assumed (-0.79±0.53 and 0.96±0.47, respectively). The mean deviation mean values showed perimetry stability both in POAG and in PACG eyes at 1 year follow-up. No major complications were observed in the eyes included in this study.</p><p><strong>Conclusions: </strong>Although this study has some limitations such as the retrospective design, the lack of comparison with standard selective laser trabeculoplasty (SLT) and the relatively short follow-up, the results observed require confirmation through further studies, with extended follow-up and larger cohorts. This study suggests that DSLT would be a useful tool for the management of patients with glaucoma.</p>","PeriodicalId":9286,"journal":{"name":"BMJ Open Ophthalmology","volume":"10 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11911663/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143639534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Navid Golpour, Rune L Brautaset, Flora Hui, Maria Nilsson, Jonas E Svensson, Pete A Williams, James R Tribble
{"title":"Identifying potential key metabolic pathways and biomarkers in glaucoma: a systematic review and meta-analysis.","authors":"Navid Golpour, Rune L Brautaset, Flora Hui, Maria Nilsson, Jonas E Svensson, Pete A Williams, James R Tribble","doi":"10.1136/bmjophth-2024-002103","DOIUrl":"10.1136/bmjophth-2024-002103","url":null,"abstract":"<p><strong>Background: </strong>Glaucoma, a leading cause of irreversible blindness worldwide, is characterised by retinal ganglion cell degeneration. Increasing evidence points to metabolic dysfunction, particularly mitochondrial dysfunction, as a contributing factor to glaucomatous neurodegeneration. This systematic review and meta-analysis aimed to identify key metabolic pathways and biomarkers associated with primary open-angle glaucoma (POAG).</p><p><strong>Methods: </strong>A systematic literature search was conducted to identify studies measuring metabolites in plasma and aqueous humour from patients with POAG using metabolomics techniques. Enrichment analyses for significantly increased metabolites were conducted using MetaboAnalyst. Meta-analyses were performed using random-effects models to calculate effect sizes for metabolites reported in at least three studies.</p><p><strong>Results: </strong>17 studies involving patients with POAG were included. Pathway analysis revealed significant enrichment of the arginine and proline metabolism pathway in both aqueous humour and plasma. Additionally, the phenylalanine metabolism pathway was enriched in plasma. These pathways are associated with oxidative stress and neurodegeneration, both of which are key factors in POAG pathology. Meta-analysis identified several significantly elevated metabolites, including lysine, glutamine, alanine, histidine, carnitine and creatinine in aqueous humour, as well as methionine in plasma.</p><p><strong>Conclusions: </strong>This study underscores the central role of metabolic dysfunction in POAG, highlighting specific metabolites and pathways that could serve as biomarkers for early diagnosis and therapeutic intervention. Future research should prioritise longitudinal studies and untargeted metabolomic profiling to further deepen our understanding of metabolic changes and their contributions to glaucoma progression.</p><p><strong>Prospero registration number: </strong>CRD42024512098.</p>","PeriodicalId":9286,"journal":{"name":"BMJ Open Ophthalmology","volume":"10 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11907043/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143630065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Dorte Aalund Olsen, Aneta Aleksandra Nielsen, Frederik Sørensen, Julie Lyng Forman, Ivan Brandslund, Gorm Greisen, Carina Slidsborg
{"title":"Postnatal growth and metabolic blood biomarkers in preterm infants developing reversible retinopathy of prematurity.","authors":"Dorte Aalund Olsen, Aneta Aleksandra Nielsen, Frederik Sørensen, Julie Lyng Forman, Ivan Brandslund, Gorm Greisen, Carina Slidsborg","doi":"10.1136/bmjophth-2024-001975","DOIUrl":"10.1136/bmjophth-2024-001975","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate predictive potential of growth and metabolic blood biomarkers in the development of milder, reversible retinopathy of prematurity (ROP) stages.</p><p><strong>Methods: </strong>Biomarkers were obtained from blood samples collected every second postnatal week in a prospective, longitudinal cohort study including 108 infants born with a gestational age (GA) <32 weeks in four hospitals in the Capital Region of Denmark, 2018-2019. ROP diagnoses were obtained from the electronic medical record system together with demographic, clinical and laboratory data. Measurement of glucose was summarised as mean and SD for every postnatal week and growth was summarised as increment in weight, head circumference (biparietal diameter) and length every postnatal week. The predictive potential of each biomarker and each marker of growth in turn were evaluated in univariate receiver operating characteristics curve analyses and in multivariate analyses including GA and small for gestational age (SGA) as known predictors.</p><p><strong>Results: </strong>The strongest isolated postnatal predictor of ROP was weight gain at the second postnatal week with an area under the curve (AUC) of 0.80 (95% CI: 0.70 to 0.89). However, it only added insignificantly to the AUC (0.85; 95% CI: 0.76 to 0.93, adj. p=0.89) compared with GA and SGA alone (AUC=0.80, 95% CI: 0.70 to 0.90). Mean glucose in PNA weeks 1-4, glycaemic variability as measured by glucose SD weeks 1-3 PNA, and concentrations of adiponectin/glucose (mean) ratio were also associated with ROP diagnosis (AUCs ranging from 0.679 to 0.77) but did also not contribute significantly to the AUC compared with GA and SGA alone.</p><p><strong>Conclusions: </strong>Postnatal growth and metabolic blood biomarkers were significantly associated with milder, reversible ROP, but none of these gave prediction over and above GA and SGA. Due to the small sample sizes, potential predictors could only be investigated in univariate analyses. Larger studies are needed to fully explore the predictive potential of all the biomarkers.</p>","PeriodicalId":9286,"journal":{"name":"BMJ Open Ophthalmology","volume":"10 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11907033/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143630197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Eduardo Jerez-Olivera, Marta Gonzalez-Hernandez, Daniel Gonzalez-Hernandez, Manuel Gonzalez de la Rosa
{"title":"Estimation of normal and glaucomatous optic nerve morphology from perfusion.","authors":"Eduardo Jerez-Olivera, Marta Gonzalez-Hernandez, Daniel Gonzalez-Hernandez, Manuel Gonzalez de la Rosa","doi":"10.1136/bmjophth-2024-002024","DOIUrl":"10.1136/bmjophth-2024-002024","url":null,"abstract":"<p><strong>Objective: </strong>To estimate the optic nerve head morphology from its haemoglobin (Hb) distribution.</p><p><strong>Methods and analysis: </strong>The optic disc of 189 normal eyes and 292 with confirmed and suspected glaucoma were analysed with Spectralis-OCT and the Laguna ONhE application using the Topcon NW400 fundus camera. Topographic Hb values were correlated with OCT tissue thicknesses from Bruch's membrane. The neuroretinal rim volume (RV), the cup volume (CV) and their relation to the globin distribution function (GDF) index of Laguna ONhE were analysed. The results were applied to 1 163 241 optic nerve images obtained in a glaucoma screening setting. Differences in segmentation and the presence of vessels without local nutritional function are the main limitations of the comparison.</p><p><strong>Results: </strong>The correlation between local Hb density and the tissue thicknesses from Bruch's membrane was R=0.953 (p<0.0001). RV could be estimated from pixel-to-pixel Hb values with an R=0.650 (p<0.0001) and from six Laguna ONhE indices with an R=0.786 (p<0.0001). CV could be estimated with an R=0.762 (p<0.0001). RV had a mean value of 0.396 mm<sup>3</sup> (SD=0.187) for positive GDF values and usually below 0.210 mm<sup>3</sup> for negative GDF. The distribution of RV values in the screening series was congruent with that found in the prospective series, with a higher value in large nerves.</p><p><strong>Conclusions: </strong>The volume and shape of the optic nerve tissue are closely related to its perfusion and can be deduced from it. The relationship between the RV and GDF is curvilinear and suggests that perfusion measurement may bring the diagnosis forward in earlier stages.</p>","PeriodicalId":9286,"journal":{"name":"BMJ Open Ophthalmology","volume":"10 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11881183/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143555883","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Keerti Wali, Shilpa Maled, Ronak Solanki, Apoorva G Ayachit, Aniket N Shastri
{"title":"Safety and efficacy of frequency-doubled Nd-YAG laser photocoagulation of different types of corneal neovascularisation (NLPC): a prospective study.","authors":"Keerti Wali, Shilpa Maled, Ronak Solanki, Apoorva G Ayachit, Aniket N Shastri","doi":"10.1136/bmjophth-2024-001734","DOIUrl":"10.1136/bmjophth-2024-001734","url":null,"abstract":"<p><strong>Purpose: </strong>Frequency doubling of neodymium-doped yttrium aluminum garnet (Nd-YAG) laser results in emission of photocoagulating 532 nm light compared with photolytic 1064 nm emission. The ergonomic benefits of solid-state lasers led to replacement of older coagulating lasers in ophthalmic centres by frequency-doubled Nd-YAG laser. Our study aims to evaluate safety and efficacy of frequency-doubled Nd-YAG laser for photocoagulation of corneal neovascularisation (NLPC).</p><p><strong>Methods: </strong>30 quiet eyes of 28 patients with superficial, mid-stromal and deep stromal inactive corneal neovascularisation were subjected to laser photocoagulation. Resolution of vessels, procedural complications and survival of subsequent corneal grafts were monitored for 3 months. Anterior segment fluorescein angiography (AS-FA) was performed in six eyes to confirm the cessation of blood flow.</p><p><strong>Results: </strong>20 eyes (66.66%) had complete resolution of neovascularisation. 13 cases of superficial (92.86%) and 6 cases of mid-stromal neovascularisation (75%) showed significant resolution, compared with 1 case of deep neovascularisation (12.5%). Minimal corneal burn (n=4, 13.33%), iris holes (n=3, 10%), anterior chamber bubbles (n=5, 16.67%), self-resolving intrastromal bleed (n=2, 6.67%) and graft-host junctional wound leak (n=1 of 12 keratoplasty cases, 8.33%) were noted.</p><p><strong>Conclusion: </strong>NLPC may especially be useful in the eyes with a large vessel arborising within stroma. Lack of comparison with other treatment options leading to inflated safety and efficacy profile of NLPC is the major limitation of this study.</p>","PeriodicalId":9286,"journal":{"name":"BMJ Open Ophthalmology","volume":"10 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11877233/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143540318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nikolay Boychev, Lisa Y Lin, Laurel T Tainsh, Sue A Aicher, Anat Galor, Joseph B Ciolino
{"title":"Cornea specialists are the highest opioid prescribers at a large academic eye institute in the USA.","authors":"Nikolay Boychev, Lisa Y Lin, Laurel T Tainsh, Sue A Aicher, Anat Galor, Joseph B Ciolino","doi":"10.1136/bmjophth-2024-002012","DOIUrl":"10.1136/bmjophth-2024-002012","url":null,"abstract":"<p><strong>Background/aim: </strong>To evaluate the opioid prescription patterns across ophthalmic subspecialties at a large academic eye centre.</p><p><strong>Methods: </strong>A single site, retrospective cross-sectional study. Electronic medical records from the year 2018 were screened. Ophthalmology patients ≥18 years of age were included. The main outcome measures were patient demographics, outpatient opioid prescriptions, ophthalmic procedure and prescriber details, including department and training level.</p><p><strong>Results: </strong>1654 opioid prescriptions were written, accounting for 2.2% of all ophthalmic procedures in a calendar year. Of the patients who received prescriptions, 51.4% were female (n=851) with a mean age of 52.3±18.5 (range 18-95 years). In general, the morphine equivalent dose was low, with an average of 12.4±6.75 pills dispensed (range 1-60) with 0.0±0.01 refills (range 0-3). Cornea specialists were the highest opioid prescribers (22.7% of all providers who wrote a prescription), followed by oculoplastics (22.2%) and retina (18.4%). The most common procedure for which an opioid was prescribed was cornea crosslinking (14.3% of all opioid prescriptions).</p><p><strong>Conclusions: </strong>While opioid prescriptions are generally low for ophthalmic procedures across departments, cornea specialists accounted for nearly a third of opioid prescriptions. Over half of corneal crosslinking patients received opioid prescriptions; there remains an unmet need for opioid-sparing therapy for these patients and others with severe eye pain.</p>","PeriodicalId":9286,"journal":{"name":"BMJ Open Ophthalmology","volume":"10 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11877224/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143540314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Anti-inflammatory actions of ripasudil ameliorate experimental autoimmune uveoretinitis in the acute phase.","authors":"Kozo Harimoto, Yoshiaki Nishio, Hideaki Someya, Tomohito Sato, Masataka Ito, Masaru Takeuchi","doi":"10.1136/bmjophth-2024-001981","DOIUrl":"10.1136/bmjophth-2024-001981","url":null,"abstract":"<p><strong>Introduction: </strong>Rho-associated protein kinases (ROCKs) are a key regulator of T cell function, influencing a wide range of processes from activation to differentiation. Experimental autoimmune uveoretinitis (EAU) is an animal model of human non-infectious uveitis. This study aimed to evaluate the suppressive effects of ripasudil, a ROCK inhibitor, on ocular inflammation when administered from the onset of EAU and to elucidate the underlying mechanisms of its inhibitory effects.</p><p><strong>Methods: </strong>EAU was induced in wild-type C57BL/6 mice by immunisation with IRBP peptide. Ripasudil or its vehicle, PBS, was intraperitoneally administered daily starting from 8 days post-immunisation. Clinical and histopathological examinations and analysis of T cell activation state were conducted. In addition, T cell gene expression profiles in the relevant immune functions were identified using single-cell RNA sequencing (scRNA-seq).</p><p><strong>Results: </strong>The development of EAU was significantly attenuated and T cell activation and Th1 cell differentiation were significantly inhibited in mice with ripasudil (RIP-EAU) compared with mice with PBS (PBS-EAU), scRNA-seq using splenic T cells indicated that genes involved in the ROCK signalling pathway were highly expressed in low-differentiated Th1/Th17 cells, intermediate Th1 cells and differentiated Th1 cells. In addition, although differentiated Th1 and Th17 cells constituted similar proportions between PBS-EAU and RIP-EAU mice, RIP-EAU mice exhibited fewer low-differentiated Th1/Th17 cells and intermediate Th1 cells compared with PBS-EAU mice.</p><p><strong>Conclusion: </strong>Ripasudil suppressed EAU when administered from the onset of the disease by inhibiting cells that strongly express genes involved in the ROCK signalling pathway and differentiate into Th1 cells.</p>","PeriodicalId":9286,"journal":{"name":"BMJ Open Ophthalmology","volume":"10 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11873326/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143531219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"New insights into changes in ocular structural parameters in simulated hypobaric hypoxia.","authors":"Yuchen Wang, Anqi Guo, Xinli Yu, Yihe Liu, Zesong Wang, Jiaxing Xie, Xinzuo Zhou, Siru Liu, Jiaxi Li, Chengkai Zhou, Yuanhong Li, Chao Sun, Jing Zhang, Ziyuan Liu, Xuemin Li, Li Ding","doi":"10.1136/bmjophth-2024-001928","DOIUrl":"10.1136/bmjophth-2024-001928","url":null,"abstract":"<p><strong>Purpose: </strong>High altitude is the main area for human exploration, and human eye is an important organ for obtaining visual signals. The changes of ocular structural parameters in a simulated hypobaric hypoxia environment need to be clarified.</p><p><strong>Methods: </strong>Measurements were taken at five altitudes ((1) ground, (2) 3500 m, (3) 4000 m, (4) 4500 m and (5) ground). Refractive values were measured with the IOL Master (Carl Zeiss Shanghai Co. Ltd.). Data analysis was performed using the Kolmogorov-Smirnov (K-S) test, paired sample T-test and Wilcoxon test.</p><p><strong>Results: </strong>Subjects' axial length (AL) increased with altitude, peaking at 4500 m, then decreased. Significant AL differences were observed across altitudes (p<0.05), except between 2-5 and 3-5. Central corneal thickness (CCT) thickened then thinned with elevation changes, significantly thicker at altitudes 2-5 compared with the baseline (p<0.05). Lens thickness (LT) followed a similar pattern, increasing up to altitude 4, then decreasing at 5. Correlations were found between AL and LT at altitudes 1 (r=0.375, p<0.05) and 5 (r=0.341, p<0.05), and between AL and CCT at altitude 4 (r=0.337, p<0.05), but not elsewhere.</p><p><strong>Conclusions: </strong>As altitude increases and acute low-pressure hypoxia worsens, changes in AL, CCT and LT may affect pilots' visual function, information acquisition, decision-making and flight safety.</p>","PeriodicalId":9286,"journal":{"name":"BMJ Open Ophthalmology","volume":"10 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11873329/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143531222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yuhao Zou, Dongfeng Li, Virgili Gianni, Nathan Congdon, Prabhath Piyasena, S Grace Prakalapakorn, Ruifan Zhang, Zixiang Zhao, Ving Fai Chan, Man Yu
{"title":"Prevalence of dry eye disease among children: a systematic review and meta-analysis.","authors":"Yuhao Zou, Dongfeng Li, Virgili Gianni, Nathan Congdon, Prabhath Piyasena, S Grace Prakalapakorn, Ruifan Zhang, Zixiang Zhao, Ving Fai Chan, Man Yu","doi":"10.1136/bmjophth-2024-002014","DOIUrl":"10.1136/bmjophth-2024-002014","url":null,"abstract":"<p><strong>Background: </strong>Dry eye disease (DED) is a multifactorial disorder of the tear film and ocular surface instability that causes ocular discomfort and visual impairment. The increasing use of digital devices and changing lifestyle patterns have raised concerns about a potential rise in DED among children. Understanding the prevalence of paediatric DED is crucial for developing effective diagnostic and management strategies tailored to this vulnerable population.</p><p><strong>Method: </strong>An exhaustive literature search was performed on several databases covering the period from 1 January 2001 to 1 April 2024. Prevalence estimates of DED were combined using random effects models, and heterogeneity sources were explored through subgroup and regression analyses.</p><p><strong>Results: </strong>Our literature search identified 7309 articles, of which 41 articles, representing 42 study cohorts (48 479 participants) included in the systematic review. The estimated prevalence of DED among children was 23.7% (95% CI 18.5% to 28.9%). The prevalence of DED by different diagnostic criteria (clinical signs vs reported symptoms by questionnaire) was 16.6% (95% CI 13.7% to 19.5%; 26 studies; 27 107 children) vs 34.6% (95% CI 23.7% to 45.6%; 16 studies; 21 372 children; p<0.01), respectively. The prevalence of DED after the COVID-19 pandemic outbreak was 44.1% (95% CI 25.5% to 62.7%; 8 studies; 9163 children), which was significantly higher than the 18.7% (95% CI 15.6% to 21.9%; 34studies, 39 316 children; p=0.01) before the COVID-19 outbreak. High between-study heterogeneity was noted (I<sup>2</sup>>92%). In meta-regression analysis, the prevalence of DED among children increased by 7.1% with each 10° decrease in latitude (p=0.015), and by 10.2% with each 10° increase in mean annual temperature (p=0.024).</p><p><strong>Conclusions: </strong>DED is common in children up to 18 years of age and poses a significant disease burden. Standardisation of the diagnosis of DED in children and further study of other risk factors are needed to fully explain the epidemiology of DED in children.</p>","PeriodicalId":9286,"journal":{"name":"BMJ Open Ophthalmology","volume":"10 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11840909/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143457106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Deepak Sambhara, Priya Vakharia, David A Eichenbaum
{"title":"Real-world efficacy and safety of 8 mg aflibercept in neovascular AMD: a case series.","authors":"Deepak Sambhara, Priya Vakharia, David A Eichenbaum","doi":"10.1136/bmjophth-2024-002091","DOIUrl":"10.1136/bmjophth-2024-002091","url":null,"abstract":"<p><strong>Objective: </strong>This real-world retrospective case series evaluates the safety and efficacy of aflibercept 8 mg in patients diagnosed with neovascular age-related macular degeneration (nAMD).</p><p><strong>Methods and analyses: </strong>Treatment-naïve or treatment-experienced patients with nAMD receiving aflibercept 8 mg with at least 6 months of follow-up were assessed.</p><p><strong>Results: </strong>40 eyes from 33 patients were included, of which 36/40 eyes were previously treated. The mean age of subjects is 79.84 years. At baseline, 29/36 eyes had intraretinal fluid (IRF)/subretinal fluid (SRF) at an average interval of 40.97 days, logMAR VA of 0.346, and average central subfield thickness (CST) of 341.53 µm. At final follow-up, average logMAR VA was 0.315 and average CST decreased by 39.39 µm, with an average number of days since last treatment of 52.9. Of the 32 eyes with IRF, SRF, or both at the time of switch, 12 eyes achieved anatomical quiescence without IRF/SRF after the first injection of aflibercept 8 mg, including three of four treatment-naive patients.</p><p><strong>Conclusions: </strong>This early case series suggests that patients treated with aflibercept 8 mg may achieve greater duration between treatments while preserving and, in some cases, improving visual acuity and anatomical outcomes in a real-world clinic setting. In this retrospective study, the patient population primarily consisted of treatment-experienced cases with recalcitrant disease or high treatment burdens, potentially using aflibercept 8 mg as salvage therapy. This selection bias limits generalisability to broader real-world populations. The small sample size precludes formal statistical conclusions. Multiple investigators made unstandardised treatment decisions based on individual clinical judgement, including whether to continue aflibercept 8 mg or revert to prior therapy, sometimes after just one injection.</p>","PeriodicalId":9286,"journal":{"name":"BMJ Open Ophthalmology","volume":"10 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11831258/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143413438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}