{"title":"Exploring the Ability of Novel Choroidal Biomarkers in Predicting Treatment Outcomes of Polypoidal Choroidal Vasculopathy.","authors":"Yue Zhang, Jianing Wang, Jing Liu, Shuang Song, Xiaoya Gu, Xiaobing Yu","doi":"10.1159/000541572","DOIUrl":"10.1159/000541572","url":null,"abstract":"<p><strong>Introduction: </strong>The aim of this study was to explore the relationship between choroidal biomarkers and the response to anti-VEGF in PCV eyes.</p><p><strong>Methods: </strong>We conducted a hospital-based retrospective study. We included 54 patients diagnosed with PCV who had received standard 3 monthly anti-VEGF monotherapy and had finished regular follow-ups. Choroidal thickness (CT), three-dimensional choroidal vascularity index (CVI), and the vascular density of choriocapillaris (CCVD) were measured utilizing swept-source optical coherence tomography angiography (SS-OCTA). Effective and poor responders were classified based on the changes in morphologic features. Multivariate linear regression models were performed for the outcomes to determine independent prognostic factors. Receiver operating characteristic (ROC) curves were used to compare the predictive ability of CT and CVI as biomarkers between effective and poor responders.</p><p><strong>Results: </strong>A higher CVI at baseline was the only factor that correlated with the poor response after 3 monthly injections of anti-VEGF (p = 0.038). The greater change of central macular thickness (CMT) was significantly correlated with increased CMT (p = 0.030), decreased CT (p = 0.042), and decreased CVI (p = 0.038) at baseline. Using ROC curves, we found that the CVI value demonstrated superior predictive ability compared to the CT value, with AUC of 0.842 and the best cut-off value of 0.445.</p><p><strong>Conclusion: </strong>A higher three-dimensional CVI using SS-OCTA is a promising biomarker to predict the poor anatomical response to anti-VEGF treatment in PCV patients.</p>","PeriodicalId":19662,"journal":{"name":"Ophthalmic Research","volume":" ","pages":"573-583"},"PeriodicalIF":2.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142308282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Impact of Parental Myopia and High Myopia on the Hyperopia Reserve of Preschool Children.","authors":"Jianing Pu, Yuxin Fang, Zhen Zhou, Wei Chen, Jianping Hu, Shanshan Jin, Xinli Liu, Lihua Wang, Jingjing Feng, Huan Tong, Shanshan Xing, Yonghong Jiao","doi":"10.1159/000535193","DOIUrl":"10.1159/000535193","url":null,"abstract":"<p><strong>Introduction: </strong>The aim of this study was to explore the association between parental myopia and high myopia with children's refraction and ocular biometry in large-scale Chinese preschool children from the Beijing Hyperopia Reserve Study.</p><p><strong>Subjects/methods: </strong>This cross-sectional kindergarten-based study enrolled children aged 3-6 years. Cycloplegic refraction, axial length (AL), and corneal radius (CR) were measured for all children. Parents were asked to complete a questionnaire about refractive status (no myopia, mild myopia <-3 D, moderate myopia ≥-3 D and ≤-6, and high myopia >-6 D).</p><p><strong>Results: </strong>The study enrolled 2,053 children (1,069 boys and 984 girls), with a mean age of 4.26 ± 0.96 years and mean spherical equivalent refraction (SER) of 1.11 ± 0.97 diopter. Of the children, 90.7% had at least one myopic parent, and 511 children (24.9%) had at least one highly myopic parent. SER decreased significantly with increasing severity of parental myopia (p < 0.001). Preschool children's myopia was independently associated with parental myopia (OR, 10.4 and 11.5 for one and two highly myopic parent[s]). Age (OR = 1.1), gender (OR = 1.7; girls as references), near work time (OR = 1.2), and both maternal (OR, 1.4 and 2.0 for moderate and high myopia) and paternal myopia (OR, 1.6 and 1.9 for moderate and high myopia) were independent risk factors for lacking hyperopia reserve.</p><p><strong>Conclusion: </strong>Severe parental myopia was associated with a lower SER, longer AL, and higher AL/CR ratio in preschool children. Parental myopia and near work may predispose children to faster elimination of hyperopia reserves before exposure to higher educational stress.</p>","PeriodicalId":19662,"journal":{"name":"Ophthalmic Research","volume":" ","pages":"115-124"},"PeriodicalIF":2.1,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138291568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ophthalmic ResearchPub Date : 2024-01-01Epub Date: 2023-11-28DOI: 10.1159/000535545
Ji Hoon Han, Francesca Cancellieri, Irene Perea-Romero, Carmen Ayuso, Mathieu Quinodoz, Carlo Rivolta
{"title":"The p.C759F Variant in USH2A Is a Pathogenic Mutation: Systematic Literature Review and Meta-Analysis of 667 Genotypes.","authors":"Ji Hoon Han, Francesca Cancellieri, Irene Perea-Romero, Carmen Ayuso, Mathieu Quinodoz, Carlo Rivolta","doi":"10.1159/000535545","DOIUrl":"10.1159/000535545","url":null,"abstract":"<p><strong>Background: </strong>Although the p.C759F (c.2276G>T, p.Cys759Phe) variant in the USH2A gene has been identified in association with retinal degeneration by several authors, its pathogenicity has been questioned once by the publication of two unaffected homozygotes from a single family.</p><p><strong>Objectives: </strong>The objective of the study was to ascertain the role of p.C759F in hereditary retinal disease.</p><p><strong>Methods: </strong>We examined 87 research articles reporting on patients carrying this variant and then used this information as primary data for a series of meta-analytical tests.</p><p><strong>Results: </strong>Independent statistical analyses showed that p.C759F (i) is highly enriched in patients with respect to healthy individuals, (ii) represents a clear-cut recessive allele causing disease when it is in trans with other mutations, (iii) is pathogenic in homozygotes.</p><p><strong>Conclusions: </strong>Our results confirm that p.C759F is a bona fide mutation, leading to retinal blindness according to a recessive pattern of inheritance.</p>","PeriodicalId":19662,"journal":{"name":"Ophthalmic Research","volume":" ","pages":"107-114"},"PeriodicalIF":2.1,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138452014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Visual Outcome after Anti-Vascular Epithelial Growth Factor Therapy Using New Classification of Diabetic Macular Edema by Optical Coherence Tomography.","authors":"Jiawei Zhao, Weiye Zhu, Xiao Cui, Bing Xu, Ni Shen, Hongyuan Song, Wei Shen","doi":"10.1159/000539606","DOIUrl":"10.1159/000539606","url":null,"abstract":"<p><strong>Introduction: </strong>The aim of the study was to examine alterations in visual acuity in patients with diabetic macular edema (DME), classified according to the TCED-HFV optical coherence tomography (OCT) system, following anti-vascular epithelial growth factor (VEGF) therapy.</p><p><strong>Methods: </strong>The medical records of patients with DME receiving anti-VEGF therapy were retrospectively reviewed. Patients were divided into four groups according to the TCED-HFV OCT classification. Patient demographic and clinical characteristics and best-corrected visual acuity (BCVA) before and after treatment were compared among the groups.</p><p><strong>Results: </strong>The BCVA before treatment was 0.49 ± 0.18, 0.81 ± 0.41, 0.83 ± 0.41, and 0.82 ± 0.49 in the early DME, advanced DME, severe DME, and atrophic maculopathy groups, respectively. The BCVA in the early DME group was therefore significantly lower than that in the other three groups (p = 0.042). After treatment, the BCVA improved to 0.15 ± 0.17, 0.52 ± 0.31, 0.62 ± 0.32, and 0.69 ± 0.47 in the early DME, advanced DME, severe DME, and atrophic maculopathy groups, respectively (p < 0.005). There were some differences among patients in the four groups in terms of the duration of diabetes, percentage of hemoglobin A1c, and duration of hypertension.</p><p><strong>Conclusion: </strong>The TCED-HFV OCT classification of patients with DME is exact and functional and can allow the severity of DME, and its response to anti-VEGF therapy, to be estimated.</p>","PeriodicalId":19662,"journal":{"name":"Ophthalmic Research","volume":" ","pages":"499-505"},"PeriodicalIF":2.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142018247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ophthalmic ResearchPub Date : 2023-01-01Epub Date: 2023-04-20DOI: 10.1159/000530720
Cris Martin P Jacoba, Recivall P Salongcay, Abdulrahman K Rageh, Lizzie Anne C Aquino, Glenn P Alog, Aileen V Saunar, Tunde Peto, Paolo S Silva
{"title":"Comparisons of Handheld Retinal Imaging with Optical Coherence Tomography for the Identification of Macular Pathology in Patients with Diabetes.","authors":"Cris Martin P Jacoba, Recivall P Salongcay, Abdulrahman K Rageh, Lizzie Anne C Aquino, Glenn P Alog, Aileen V Saunar, Tunde Peto, Paolo S Silva","doi":"10.1159/000530720","DOIUrl":"10.1159/000530720","url":null,"abstract":"<p><strong>Introduction: </strong>Handheld retinal imaging cameras are relatively inexpensive and highly portable devices that have the potential to significantly expand diabetic retinopathy (DR) screening, allowing a much broader population to be evaluated. However, it is essential to evaluate if these devices can accurately identify vision-threatening macular diseases if DR screening programs will rely on these instruments. Thus, the purpose of this study was to evaluate the detection of diabetic macular pathology using monoscopic macula-centered images using mydriatic handheld retinal imaging compared with spectral domain optical coherence tomography (SDOCT).</p><p><strong>Methods: </strong>Mydriatic 40°-60° macula-centered images taken with 3 handheld retinal imaging devices (Aurora [AU], SmartScope [SS], RetinaVue 700 [RV]) were compared with the Cirrus 6000 SDOCT taken during the same visit. Images were evaluated for the presence of diabetic macular edema (DME) on monoscopic fundus photographs adapted from Early Treatment Diabetic Retinopathy Study (ETDRS) definitions (no DME, noncenter-involved DME [non-ciDME], and center-involved DME [ciDME]). Sensitivity, specificity, positive predictive value, and negative predictive value were calculated for each device with SDOCT as gold standard.</p><p><strong>Results: </strong>Severity by ETDRS photos: no DR 33.3%, mild NPDR 20.4%, moderate 14.2%, severe 11.6%, proliferative 20.4%, and ungradable for DR 0%; no DME 83.1%, non-ciDME 4.9%, ciDME 12.0%, and ungradable for DME 0%. Gradable images by SDOCT (N = 217, 96.4%) showed no DME in 75.6%, non-ciDME in 9.8%, and ciDME in 11.1%. The ungradable rate for images (poor visualization in >50% of the macula) was AU: 0.9%, SS: 4.4%, and RV: 6.2%. For DME, sensitivity and specificity were similar across devices (0.5-0.64, 0.93-0.97). For nondiabetic macular pathology (ERM, pigment epithelial detachment, traction retinal detachment) across all devices, sensitivity was low to moderate (0.2-0.5) but highly specific (0.93-1.00).</p><p><strong>Conclusions: </strong>Compared to SDOCT, handheld macular imaging attained high specificity but low sensitivity in identifying macular pathology. This suggests the importance of SDOCT evaluation for patients suspected to have DME on fundus photography, leading to more appropriate referral refinement.</p>","PeriodicalId":19662,"journal":{"name":"Ophthalmic Research","volume":" ","pages":"903-912"},"PeriodicalIF":2.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9426318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ophthalmic ResearchPub Date : 2023-01-01Epub Date: 2023-01-30DOI: 10.1159/000529058
Xiaohan Yang, Xijin Wu, Yanping Yu, Ke Zhang, Biying Qi, Xinbo Wang, Wu Liu
{"title":"Morphological Characteristics of Foveal Pit Base and Its Impact on Visual Acuity in Macular Pseudoholes.","authors":"Xiaohan Yang, Xijin Wu, Yanping Yu, Ke Zhang, Biying Qi, Xinbo Wang, Wu Liu","doi":"10.1159/000529058","DOIUrl":"10.1159/000529058","url":null,"abstract":"<p><strong>Introduction: </strong>To investigate the characteristics of macular pseudoholes (MPHs) with different foveal profiles and their impact on preoperative and postoperative visual acuity (VA).</p><p><strong>Methods: </strong>A retrospective review of 47 eyes from 46 consecutive patients with MPH who had undergone vitrectomy was conducted. The MPHs were classified into u-shape and v-shape according to the morphological description of the foveola base. The best-corrected visual acuity (BCVA), central foveal point thickness, parafoveal thickness, parafoveal inner and outer retinal thickness, stretched lamellar cleavage, microcystic macular edema (MME), disorganization of retinal inner layers (DRIL), and the integrity of outer retinal layers were recorded.</p><p><strong>Results: </strong>The eyes in the v-shaped group (n = 31) had lower BCVA, thicker retinal thickness, more intraretinal cleavage, MME, and DRIL than the u-shaped (n = 16) group (all p < 0.05). Multiple regression analysis revealed that the morphology of the foveola base was significantly related to the preoperative BCVA (p = 0.025). The VA was significantly improved in both groups, and the improvement was greater in the v-shaped group (p = 0.024). No significant difference was found in the postoperative BCVA between the two groups (all p > 0.05).</p><p><strong>Conclusion: </strong>The v-shape, reflecting the stretch in the foveola, had a significant impact on preoperative BCVA. However, the VA was improved after surgery whatever their initial foveal profile.</p>","PeriodicalId":19662,"journal":{"name":"Ophthalmic Research","volume":"66 1","pages":"529-537"},"PeriodicalIF":2.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9523289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ophthalmic ResearchPub Date : 2023-01-01Epub Date: 2022-11-25DOI: 10.1159/000528161
Yi Guo, Jinye Wu, Xueying Zheng, Chang Yin, Zhenyu Wu
{"title":"The First-Year Variation in Central Retinal Thickness Predicts Legal Blindness in Patients with Neovascular Age-Related Macular Degeneration.","authors":"Yi Guo, Jinye Wu, Xueying Zheng, Chang Yin, Zhenyu Wu","doi":"10.1159/000528161","DOIUrl":"10.1159/000528161","url":null,"abstract":"<p><strong>Introduction: </strong>Due to its progressive nature, early evaluation and timely prediction of legal blindness are important in patients with neovascular age-related macular degeneration (nAMD). We examined the association between early-stage variation in central retinal thickness (CRT) and long-term visual outcomes in patients with nAMD.</p><p><strong>Methods: </strong>We included 103 nAMD patients who were administered anti-vascular endothelial growth factor (anti-VEGF). Participants were considered qualified if they were (1) 50 years and older, (2) treatment-naïve, (3) received standard anti-VEGF treatment and had complete baseline information. We further excluded patients with less than 1-year follow-up data and those who experienced best corrected visual acuity ≤35. Early-stage variability in CRT was measured as the first-year coefficient of variability (CV) of CRT. Patients were then classified into the high-variability and low-variability groups according to the X-tile. A product-limit plot was used to demonstrate the differences and tested with the log-rank test. The association between first-year variability and visual outcomes was quantified using Cox regression models. Time-to-event primary endpoint was the overall visual preservation (OVP) rate, defined as the time from the first injection to legal blindness, i.e., best corrected visual acuity ≤35 Early Treatment Diabetic Retinopathy Study (ETDRS) letters.</p><p><strong>Results: </strong>A threshold of 20% of first-year CV in CRT was used to categorize 76 qualified patients into high variability (35, 46.1%) and low variability (41, 53.9%). The 5- and 10-year OVPs for patients with high versus low variability were 76% versus 48% and 59% versus 22%, respectively. High early-stage CRT variability showed a significantly higher risk of legal blindness. Even after adjusting for the demographic and clinical features, the variability remained significant (HR = 2.39, 95% CI: 1.20-4.78).</p><p><strong>Conclusion: </strong>First-year variability of CRT was predictive of long-term visual outcomes in patients with nAMD, and 20% of the variability could be used as a clinically convenient threshold to qualitatively classify patients into high- and low-variability groups. The current study is important for identifying high-risk populations and for long-term disease management.</p>","PeriodicalId":19662,"journal":{"name":"Ophthalmic Research","volume":" ","pages":"406-412"},"PeriodicalIF":2.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10015761/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9115683","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ophthalmic ResearchPub Date : 2023-01-01Epub Date: 2023-05-25DOI: 10.1159/000531114
{"title":"8th International Congress of Research in Retina and Vision.","authors":"","doi":"10.1159/000531114","DOIUrl":"https://doi.org/10.1159/000531114","url":null,"abstract":"<p><p>xxx.</p>","PeriodicalId":19662,"journal":{"name":"Ophthalmic Research","volume":"66 Suppl 1 ","pages":"1-72"},"PeriodicalIF":2.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142471725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ophthalmic ResearchPub Date : 2023-01-01Epub Date: 2023-11-21DOI: 10.1159/000535170
Min Zhang, Jiali Wu, Yafang Wang, Xiaoling Wan, Haiyun Liu, Xiaodong Sun
{"title":"Identification of Cuproptosis-Related circRNA-miRNA-mRNA Network in Laser-Induced Choroidal Neovascularization Models and in Peripheral Blood Mononuclear Cells of Patients with Neovascular Age-Related Macular Degeneration.","authors":"Min Zhang, Jiali Wu, Yafang Wang, Xiaoling Wan, Haiyun Liu, Xiaodong Sun","doi":"10.1159/000535170","DOIUrl":"10.1159/000535170","url":null,"abstract":"<p><strong>Introduction: </strong>The aims of this study were to investigate the molecular alterations of cuproptosis-related genes and to construct the cuproptosis-related circular RNA (circRNA)-microRNA (miRNA)-mRNA networks in neovascular age-related macular degeneration (nAMD).</p><p><strong>Methods: </strong>The transcriptional profiles of laser-induced choroid neovascularization (CNV) mouse models and nAMD patient samples were obtained from sequencing and from the GEO database (GSE146887), respectively. The expression levels of ten cuproptosis-related genes (FDX1, DLAT, LIAS, DLD, PDHB, MTF1, CDKN2A, GLS, LIPT1, and PDHA1) were extracted and verified in both mouse CNV models and patient peripheral blood mononuclear cells (PBMCs) samples. The cuproptosis-related circRNA-miRNA-mRNA network was further constructed based on miRNet database, the dataset GSE131646 of small RNA expression profile, and the dataset GSE140178 of circRNA expression profile in mouse CNV models.</p><p><strong>Results: </strong>The significant upregulation of Cdkn2a and Mtf1 and the downregulation of other 5 cuproptosis-related genes were verified in the mouse CNV model, but only CDKN2A significantly upregulated in PBMCs of patients with nAMD. Four miRNAs were detected in the intersection between miRNet prediction and sequencing data: miR-129-5p, miR-129-2-3p, miR-182-5p, and miR-615-3p. There were 9 circRNAs at the intersection of hsa-miR-182-5p and hsa-miR-615-3p predictions, one circRNA predicted by hsa-miR-129-5p and GSE140178 (hsa-circASH1L), and one circRNA predicted by hsa-miR-182-5p and hsa-miR-615-3p (hsa-circNPEPPS).</p><p><strong>Conclusion: </strong>This study suggested the repression of cuproptosis in nAMD pathologies and constructed a cuproptosis-related network of 8 cuproptosis-related genes, 4 miRNAs, and 11 circRNAs.</p>","PeriodicalId":19662,"journal":{"name":"Ophthalmic Research","volume":" ","pages":"1417-1432"},"PeriodicalIF":2.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138291567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ophthalmic ResearchPub Date : 2023-01-01Epub Date: 2023-06-02DOI: 10.1159/000530799
Fritz Gerald P Kalaw, Varsha Alex, Evan Walker, Dirk-Uwe Bartsch, William R Freeman, Shyamanga Borooah
{"title":"Inner Retinal Thickness and Vasculature in Patients with Reticular Pseudodrusen.","authors":"Fritz Gerald P Kalaw, Varsha Alex, Evan Walker, Dirk-Uwe Bartsch, William R Freeman, Shyamanga Borooah","doi":"10.1159/000530799","DOIUrl":"10.1159/000530799","url":null,"abstract":"<p><strong>Introduction: </strong>The aim of this study was to investigate retinal layer thickness and vessel density differences between patients with reticular pseudodrusen (RPD) and intermediate dry age-related macular degeneration (iAMD).</p><p><strong>Methods: </strong>Participants included in the study were patients diagnosed by retinal specialists with RPD, iAMD, and both RPD and iAMD at our academic referral center, seen from May 2021 until February 2022. The central 3 mm retinal thickness was measured using spectral-domain optical coherence tomography (Heidelberg Spectralis HRA+OCT System; Heidelberg Engineering, Heidelberg, Germany). Individual retinal thickness measurements were obtained from the innermost layer (nerve fiber layer) until the outermost layer (retinal pigment epithelium [RPE]). Each thickness measurement was subdivided into nine Early Treatment Diabetic Retinopathy Study (ETDRS) sectors. For the vessel density, OCT angiography from the Heidelberg Spectralis System was measured using proprietary third-party software (AngioTool; National Institutes of Health, National Cancer Institute, Bethesda, MD). Clinical and demographic characteristics were compared across the three groups (iAMD, RPD, iAMD and RPD) and analyzed with necessary adjustments. Linear mixed-effects models with necessary corrections were employed to compare continuous eye-level measurements between our three groups as well as in pairwise fashion using the R statistical programming software (R version 4.2.1).</p><p><strong>Results: </strong>A total of 25 eyes of 17 patients with RPD, 20 eyes of 15 patients with iAMD, and 14 eyes of 9 patients with both iAMD and RPD were analyzed. Retinal thickness analysis identified that the superior inner (p = 0.028) and superior outer (p = 0.027) maculas of eyes with both iAMD and RPD were significantly thinner than those with iAMD alone. In eyes with RPD, the superior inner and superior outer RPE (p = 0.011 and p = 0.05, respectively), outer plexiform layer (p = 0.003 and p = 0.013, respectively), and inner nuclear layer (p = 0.034 and p = 0, respectively) were noted to be thinner compared to eyes with iAMD alone. In addition, the macular deep capillary plexus vessel density was significantly reduced in eyes with RPD compared to eyes with iAMD (p = 0.017).</p><p><strong>Conclusion: </strong>Patients with RPD had inner retinal structural as well as vascular changes compared to iAMD patients. Inner retinal vascular attenuation should be investigated further to see if there is a causal association with retinal thinning.</p>","PeriodicalId":19662,"journal":{"name":"Ophthalmic Research","volume":" ","pages":"885-891"},"PeriodicalIF":2.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9573738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}