Graefe’s Archive for Clinical and Experimental Ophthalmology最新文献

{"title":"Correction: Neurological pathologies in acute acquired comitant esotropia.","authors":"Ali Nouraeinejad","doi":"10.1007/s00417-024-06694-5","DOIUrl":"https://doi.org/10.1007/s00417-024-06694-5","url":null,"abstract":"","PeriodicalId":12795,"journal":{"name":"Graefe’s Archive for Clinical and Experimental Ophthalmology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142681684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Three-dimensional choroidal characteristics in different subtypes of central serous chorioretinopathy using swept-source optical coherence tomography angiography.","authors":"Yue Zhang, Jianing Wang, Jing Liu, Xiaoya Gu, Shuang Song, Xiaobing Yu","doi":"10.1007/s00417-024-06691-8","DOIUrl":"10.1007/s00417-024-06691-8","url":null,"abstract":"<p><strong>Purpose: </strong>To assess choroid vascular characteristics in four subtypes of central serous chorioretinopathy (CSC) eyes under the new classification system.</p><p><strong>Methods: </strong>There were 83 subjects in total for analysis including 16 individuals with acute CSC, 13 with non-resolving CSC, 12 with recurrent CSC, 16 with chronic CSC, and 26 healthy control eyes. We utilized the integrated software of SS-OCTA to acquire measurements of the central choroidal thickness (CT), the choriocapillaris perfusion area (CCPA), three-dimensional choroidal vascularity index (CVI) and three-dimensional choroidal vessel volume (CVV). The SNK-q test was conducted for pairwise comparisons among four subgroups of CSC and healthy control eyes. A multiple linear regression model was employed to investigate the relationship between CVI, CCPA and other factors.</p><p><strong>Results: </strong>CT, CVI, and CCPA of the chronic CSC subgroup were significantly lower than the other three CSC subgroups. Lower CVI was significantly correlated with the subgroup of chronic CSC (β = -0.140, P = 0.016), lower CT (β = 0.0014, P < 0.01), and higher CCPA (β = -0.141, P < 0.01). Lower CCPA was significantly correlated with the subgroup of chronic CSC (β = -0.937, P < 0.01), diabetes (β = -0.118, P = 0.015), higher CVV (β = -0.414, P = 0.014), and higher CVI (β = -0.764, P < 0.01).</p><p><strong>Conclusions: </strong>This is the first study to evaluate the choroidal characteristics of four subtypes of CSC under the new classification system in detail. It seems that chronic CSC displays distinct pathophysiological alterations in choroidal characteristics.</p><p><strong>Registration number: </strong>NCT05687422.</p>","PeriodicalId":12795,"journal":{"name":"Graefe’s Archive for Clinical and Experimental Ophthalmology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142667509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Response to the comment on: \"Chord mu and chord alpha as postoperative predictors in multifocal intraocular lens implantation\".","authors":"Andrius Montrimas, Reda Žemaitienė, Ke Yao, Andrzej Grzybowski","doi":"10.1007/s00417-024-06674-9","DOIUrl":"https://doi.org/10.1007/s00417-024-06674-9","url":null,"abstract":"","PeriodicalId":12795,"journal":{"name":"Graefe’s Archive for Clinical and Experimental Ophthalmology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142647501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Reply to: Comment on: \"Polypseudophakia: from 'Piggyback' to supplementary sulcus-fixated IOLs\".","authors":"Ramin Khoramnia, Guenal Kahraman, Michael Amon, Gerd U Auffarth","doi":"10.1007/s00417-024-06675-8","DOIUrl":"https://doi.org/10.1007/s00417-024-06675-8","url":null,"abstract":"","PeriodicalId":12795,"journal":{"name":"Graefe’s Archive for Clinical and Experimental Ophthalmology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142638647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical features of midzonal iris pigment epithelial cysts: surprising findings revealed by ultrasound biomicroscopy.","authors":"Jonathan T Regenold, Zélia M Corrêa, James J Augsburger","doi":"10.1007/s00417-024-06653-0","DOIUrl":"https://doi.org/10.1007/s00417-024-06653-0","url":null,"abstract":"<p><strong>Purpose: </strong>Midzonal iris pigment epithelial (IPE) cysts are typically asymptomatic but can pose a differential diagnostic challenge by mimicking ciliary body melanoma. We conducted a case series study of the clinical characteristics of these iris cysts, particularly their shapes and sizes and associated lesions revealed by ultrasound biomicroscopy (UBM).</p><p><strong>Methods: </strong>Charts of patients with midzonal IPE cysts encountered by one or more of the authors were reviewed retrospectively. Pertinent demographic information and clinical data about these patients and their cysts were abstracted.</p><p><strong>Results: </strong>69 patients were identified. At initial diagnosis, patients ranged in age from 14.8 to 89.5 years (median: 66.0 years). Only one patient was < 30 years old at diagnosis. 38 patients (55.1%) were female. 74 eyes (39 right, 35 left) contained one or more clinically identified midzonal IPE cysts. The cysts involved the right eye alone in 34 (49.3%), the left eye alone in 30 (43.5%), and both eyes in 5 (7.2%) patients. The midzonal IPE cysts were located most often inferotemporally (51.4%) and second most often temporally (23.0%). UBM imaging had been performed on 44 of the 74 affected eyes. The median largest basal diameter of the midzonal IPE cysts evaluated by UBM was 4.5 mm (extremes: 1.5 to 13 mm), and the median height of these cysts was 1.5 mm (extremes: 0.6 to 6 mm). The largest lesion was a complete ring cyst. All 3 UBM-evaluated eyes that appeared by slit lamp biomicroscopy to have two or more distinct midzonal IPE cysts were shown by UBM to have a single sausage or kidney-bean shaped partial ring cyst with radial folds between the lobules and not separate multiple cysts. UBM imaging also identified peripheral IPE cysts in 32 of 44 evaluated eyes (72.7%).</p><p><strong>Conclusions: </strong>Our case series confirmed previously reported findings regarding age at diagnosis and most common locations of midzonal IPE cysts. However, our UBM images revealed that at least some IPE cysts identified by slit lamp biomicroscopy as multifocal are partial ring cysts with radial folds in the cyst wall between lobules and not true independent multiple cysts.</p><p><strong>Key messages: </strong>What is known Midzonal IPE cysts occur most often unilaterally and inferotemporally. Midzonal IPE cysts are frequently associated with peripheral IPE cysts. What is new UBM imaging of eyes with two-clinically detected IPE cysts showed that they were confluent as opposed to separate cysts. The median largest basal diameter of midzonal IPE cysts evaluated by UBM was 4.5 mm (extremes: 1.5 and 13 mm). The median height of midzonal IPE cysts evaluated by UBM was 1.5 mm (extremes: 0.6 and 6 mm).</p>","PeriodicalId":12795,"journal":{"name":"Graefe’s Archive for Clinical and Experimental Ophthalmology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142638646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical and imaging characteristics associated with foveal neovascularization in proliferative diabetic retinopathy.","authors":"Melissa Yuan, Francesco Romano, Xinyi Ding, Mauricio Garcia, Itika Garg, Katherine Millner Overbey, Cade Bennett, Ioanna Ploumi, Isabella Stettler, Ines Lains, Filippos Vingopoulos, Jocelyn Rodriguez, Nimesh A Patel, Leo A Kim, Demetrios G Vavvas, Deeba Husain, Joan W Miller, John B Miller","doi":"10.1007/s00417-024-06660-1","DOIUrl":"https://doi.org/10.1007/s00417-024-06660-1","url":null,"abstract":"<p><strong>Purpose: </strong>To assess the prevalence of foveal neovascularization (FNV) and its associated clinical features in proliferative diabetic retinopathy (PDR) eyes.</p><p><strong>Methods: </strong>Cross-sectional observational study. Participants underwent ultra-widefield photography, optical coherence tomography (OCT), and swept-source OCT angiography (SS-OCTA). FNV was defined as a hyperreflective lesion breaching the internal limiting membrane and displaying flow signal on OCTA, within 1-mm of foveal avascular zone. Vascular metrics were obtained from the ARI Network portal. Ischemic index (ISI) and inner choroid flow deficit percentage were calculated using FIJI from 12 × 12 and 6 × 6-mm scans, respectively. Logistic regression models were used to compare eyes with and without FNV.</p><p><strong>Results: </strong>We included 249 eyes of 164 patients (age: 58 [50-65] years). FNV was identified in 20 eyes (8%). Univariate logistic regression revealed significant associations between FNV and younger age (p = 0.03), higher maximal HbA1c (p = 0.04), worse visual acuity (VA) (p = 0.01), presence of disorganization of retinal inner layers (DRIL) (p = 0.01), no macular posterior vitreous detachment (PVD) (p = 0.03), neovascularization elsewhere (NVE) and at the disc (NVD) (p = 0.01 and p = 0.001), and greater ISI (p = 0.04). In multivariable analysis, a significant association remained between FNV and worse VA (p = 0.04), NVD (p < 0.001), DRIL (p < 0.001), and absence of macular PVD (p = 0.01). No associations were found with SS-OCTA vascular metrics.</p><p><strong>Conclusions: </strong>This study provides a comprehensive characterization of FNV in PDR. FNV was identified in 8% of our cohort, being more prevalent in younger patients with severe PDR, as evidenced by NVD and DRIL presence. The absence of macular PVD may explain its association with younger age.</p><p><strong>Key messages: </strong>What is known • Neovascularization at the fovea occurs rarely in proliferative diabetic retinopathy. • OCT and OCT-angiography can be used to evaluate foveal neovascularization, which may be associated with choroidal vascular abnormalities. What is new • Foveal neovascularization was seen in 8% of eyes with proliferative diabetic retinopathy in this cohort. • Risk factors for foveal neovascularization included younger age, absence of macular posterior vitreous detachment, presence of neovascularization of the disc, and presence of disorganization of retinal inner layers. • We did not identify an association between foveal neovascularization and choroidal perfusion abnormalities in this study.</p>","PeriodicalId":12795,"journal":{"name":"Graefe’s Archive for Clinical and Experimental Ophthalmology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142618738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Progression to complete retinal pigment epithelium and outer retinal atrophy (cRORA): post hoc analysis of the GATHER1 trial.","authors":"Giulia Corradetti, Ayesha Karamat, Sowmya Srinivas, Sophiana Lindenberg, Swetha B Velaga, Federico Corvi, Yamini Attiku, Muneeswar Gupta Nittala, Dhaval Desai, Liansheng Zhu, Dina Abulon, SriniVas R Sadda","doi":"10.1007/s00417-024-06676-7","DOIUrl":"https://doi.org/10.1007/s00417-024-06676-7","url":null,"abstract":"<p><strong>Purpose: </strong>Determine rates of progression of incomplete retinal pigment epithelium and outer retinal atrophy (iRORA) to complete retinal pigment epithelium and outer retinal atrophy (cRORA) and rates of progression of drusen to iRORA/cRORA in eyes with geographic atrophy (GA) treated with avacincaptad pegol (ACP).</p><p><strong>Methods: </strong>Post hoc analysis of the GATHER1 prospective, randomized, double-masked Phase II/III study that evaluated ACP 2 mg vs. sham. Optical coherence tomography (OCT) data from GATHER1 were transferred to the Doheny Image Reading and Research Lab for masked analysis by readers experienced with Classification of Atrophy Meeting (CAM) grading features. Regions of OCT volume scans more than 500 µm from the border of GA lesions were evaluated at baseline and at months 6, 12, and 18. Participants with iRORA and/or drusen (≥ 40 µm height on OCT) at baseline were included in the analysis.</p><p><strong>Results: </strong>The proportion of eyes progressing from iRORA to cRORA in the ACP 2 mg group was 5.0%, 15.0%, and 20.0% at months 6, 12, and 18 respectively, as compared with 11.8%, 30.2%, and 41.8% of eyes in the sham group. The proportion of ACP 2 mg-treated eyes progressing from drusen to iRORA or cRORA was 3.8%, 7.6%, and 7.6% at months 6, 12, and 18 compared with 15.9%, 18.1%, and 27.2% of sham-treated eyes.</p><p><strong>Conclusions: </strong>Rates of progression from iRORA to cRORA and drusen to iRORA/cRORA were reduced in eyes treated with ACP 2 mg vs. sham, with increasing separation between groups over time, suggesting early intervention may slow disease progression.</p><p><strong>Trial registration: </strong>ClinicalTrials.gov identifier: NCT02686658. Date of registration: February 16, 2016.</p><p><strong>Key messages: </strong>What is known Geographic atrophy is an advanced form of age-related macular degeneration (AMD) that leads to irreversible vision loss, presenting a significant public health unmet need. The Classification of Atrophy Meeting (CAM) group recommended a new nomenclature for advanced AMD lesions, based on the affected anatomical layers on optical coherence tomography. Accordingly, the terms incomplete retinal pigment epithelium and outer retinal atrophy (iRORA) and complete retinal pigment epithelium and outer retinal atrophy (cRORA) were introduced (Guymer et al., Ophthalmology 127:394-409, 2020; Sadda et al., Ophthalmology 125:537-548, 2018). What is new GATHER1 post hoc analysis shows that treatment with avacincaptad pegol (ACP) 2 mg decreases the proportion of eyes that progress from iRORA to cRORA, and from drusen to iRORA or cRORA, compared with sham, over 6, 12, and 18 months. These findings suggest a potential role for ACP in delaying the progression of existing pre-atrophic AMD lesions.</p>","PeriodicalId":12795,"journal":{"name":"Graefe’s Archive for Clinical and Experimental Ophthalmology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142618758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Epidemiology, trends, and survival of ocular and orbital rhabdomyosarcoma: a nationwide study in the USA (1996-2018) : Ocular and orbital rhabdomyosarcoma in the USA.","authors":"Ahmad Kunbaz, Ahmad Samir Alfaar","doi":"10.1007/s00417-024-06685-6","DOIUrl":"https://doi.org/10.1007/s00417-024-06685-6","url":null,"abstract":"<p><strong>Background: </strong>Rhabdomyosarcoma (RMS) is a rare malignancy that affects both children and young adults. Therefore, the current incidence and mortality rates of ocular and orbital rhabdomyosarcoma (ORMS) need to be clarified. We aimed to explore the epidemiology, trends, and survival outcomes of ORMS in the United States population spanning over two decades, from 1996 to 2018.</p><p><strong>Methods: </strong>We retrospectively reviewed 92,633 patients with ocular and adnexal malignancies and identified 640 ORMS cases from the North American Association of National Cancer Registries. Demographics, tumor characteristics, treatment modalities, and survival outcomes were analyzed.</p><p><strong>Results: </strong>Most ORMS cases (71.7%) were reported in children aged-0-9 years. The age-adjusted incidence of ORMS was 0.1 per million population (ppm), with males demonstrating a higher incidence (0.12 ppm) than females (0.09 ppm). Whites had the highest incidence rate (0.11 ppm). Embryonal ORMS is the most common histological subtype. The incidence trend over the 22-year study period revealed a decline in ORMS from 0.124 to 0.076, in contrast with the incidence of whole-body RMS, which showed an insignificant increase. The 5-year relative survival rates of patients with ORMS were 89.7%, whereas the 10-year relative survival rate was 87.2%. The 5-year relative survival trend for ORMS increased but was insignificant.</p><p><strong>Conclusions: </strong>ORMS primarily affects young children and males, with the embryonal subtype being the most common. Despite the declining incidence, survival rates have remained stable, underscoring the need for further research on the risk factors, diagnostics, and management strategies to improve patient outcomes.</p><p><strong>Key messages: </strong>What is known Ocular and Orbital Rhabdomyosarcoma (ORMS) predominantly affects children, especially males, and is the most frequent primary tumor in the  orbit during childhood. The embryonal subtype is the most common histological subtype of ORMS. What is new A significant decline in the incidence of ORMS was observed over the 22-year study period, in contrast to the overall incidence of whole-body  rhabdomyosarcoma. It has a characteristic bigeminal distribution with a peak at 3-4 and another at 6  years. Patients receiving combined treatment modalities showed improved survival  rates, while those undergoing surgery alone had poorer outcomes. Despite advancements in treatment, there has been no significant increase in  the 5-year relative survival trends for ORMS.</p>","PeriodicalId":12795,"journal":{"name":"Graefe’s Archive for Clinical and Experimental Ophthalmology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142618752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The role of corneal epithelial thickness map in detecting early keratoconus.","authors":"Zizhen Wang, Ruilan Dong, Yifei Yuan, Yu Zhang, Yueguo Chen","doi":"10.1007/s00417-024-06682-9","DOIUrl":"https://doi.org/10.1007/s00417-024-06682-9","url":null,"abstract":"<p><strong>Purpose: </strong>To detect subtle changes in early keratoconus by evaluating corneal epithelial thickness differences among patients with binocular very asymmetric ectasia (VAE) and normal subjects.</p><p><strong>Methods: </strong>Corneal epithelial thickness was measured using the Fourier-domain AS-OCT system RTVue^® 100 (Optovue, Fremont, CA, USA). 152 eyes from 76 patients were divided into three groups: Very asymmetry ectasia-ectasia (VAE-E, n = 38), Very asymmetry ectasia-normal topography (VAE-NT, n = 38), and Normal control (NC, n = 76). Discrimination capacity was assessed using areas under the curve (AUC) of receiver operator characteristic (ROC) curves.</p><p><strong>Results: </strong>In the keratoconus group, the epithelial Min (minimum), central, midperipheral I (inferior), midperipheral IT (inferior-temporal), peripheral IT, and midperipheral T (temporal) were thinner (all P < 0.05). The topography normal group had thinner midperipheral IN (inferior-nasal), peripheral IN, midperipheral T, and peripheral T, and larger Max-Min and Std. Dev (P < 0.05). For diagnosing typical keratoconus, Std. Dev (AUC = 0.982, sensitivity 97.4%, specificity 92.1%) had the highest diagnostic efficiency. Combining four variables (Minimum, Max-Min, Midperipheral IT, and Midperipheral I) performed well in distinguishing topography normal eyes (AUC = 0.896, sensitivity 76.3%, specificity 89.5%). Multivariable analysis using epithelial parameters combined with Pentacam random forest index (PRFI) yielded the best results (AUC = 0.951, sensitivity 90.6%, specificity 89.5%).</p><p><strong>Conclusions: </strong>The corneal epithelial parameters play an important auxiliary role in the diagnosis of keratoconus and the screening of subclinical keratoconus. Combination of epithelial parameters and tomographic parameters can improve the sensitivity of early stage keratoconus detection.</p>","PeriodicalId":12795,"journal":{"name":"Graefe’s Archive for Clinical and Experimental Ophthalmology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142618712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ocular involvement of oak processionary caterpillar hairs: Clinical outcome up to one year.","authors":"Martin Dominik Leclaire, Friederike Elisabeth Vietmeier, Maximilian Treder, Nicole Eter, Lamis Baydoun","doi":"10.1007/s00417-024-06648-x","DOIUrl":"https://doi.org/10.1007/s00417-024-06648-x","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate a consecutive series of patients that presented with ocular findings after contact with the oak processionary caterpillar (OPC) during an epidemic reproduction of the OPC in Germany in 2019 and to assess the 1-year outcome of those eyes with persisting OPC hairs in the cornea.</p><p><strong>Methods: </strong>Retrospective analysis of 11 eyes (11 patients) that presented in June/July 2019 with acute ocular symptoms after outdoor activity or caterpillar nest removal. Evaluation of patients charts and slit-lamp images up to one year. Assessment of the incidence of patients with OPC-associated ocular complaints in the subsequent years (2020-2023).</p><p><strong>Results: </strong>All patients had conjunctival injection, foreign body sensation, pain, itching and/or burning sensation. In 9/11 eyes, multiple caterpillar hairs could be detected in the superficial and deeper cornea. Hair removal was attempted in 8/9 eyes; in one eye hair removal was impossible due to its deep stromal location (lost-to-follow-up). Entire hair removal was successful in 2/9 eyes, hence, six eyes with persisting hairs within the cornea were followed. Stromal haze developed adjacent to the hairs in all eyes and individual hairs disappeared (n = 4) and/or showed migration within the cornea (n = 3). Until 2023, the number of patients with OPC-associated ocular complaints decreased continuously.</p><p><strong>Conclusions: </strong>Ophthalmologists should be aware of the possibility of caterpillar hairs in patients with acute eye symptoms after outdoor acitivities, especially in early summer; the incidence may fluctuate, though. Hair removal is recommended to avoid possible intraocular migration, still residing hairs did not cause any serious long-term complications in our cohort.</p><p><strong>Key messages: </strong>What is known Within the late spring and early summer season, mass reproduction of the oak processionary carterpillar (OPC) can lead to an increased number of patients with OPC-related eye complaints (pain, itching and burning sensation) caused by OPC hairs within a very short period of time. Within that season, people should be (more) actively sensitized to avoid trees with OPC hairs, take precautions and avoid eye rubing when having complaints What is new Complete surgical removal of the hairs can be difficult and is often unsuccessful due to their tiny size and often stromal location most possibly resulting from eye rubbing In the longer-term, residing hairs have shown to develop haze adjacent to the hair, migrate within the cornea or disappear/resolve. Since this may go along with an inflammatory reaction, long-term follow-up and topical steroids may be useful.</p>","PeriodicalId":12795,"journal":{"name":"Graefe’s Archive for Clinical and Experimental Ophthalmology","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142618756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}