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Multi-class Classification of Retinal Eye Diseases from Ophthalmoscopy Images Using Transfer Learning-Based Vision Transformers.
J Imaging Inform Med
January 2025
College of Engineering, Department of Computer Engineering, Koç University, Rumelifeneri Yolu, 34450, Sarıyer, Istanbul, Turkey.
This study explores a transfer learning approach with vision transformers (ViTs) and convolutional neural networks (CNNs) for classifying retinal diseases, specifically diabetic retinopathy, glaucoma, and cataracts, from ophthalmoscopy images. Using a balanced subset of 4217 images and ophthalmology-specific pretrained ViT backbones, this method demonstrates significant improvements in classification accuracy, offering potential for broader applications in medical imaging. Glaucoma, diabetic retinopathy, and cataracts are common eye diseases that can cause vision loss if not treated.
View Article and Find Full Text PDF19-Year Follow-up on Patients with Axenfeld-Rieger Anomaly or Syndrome and Fuchs' Endothelial Dystrophy Including the 6th Generation in a Pedigree.
Klin Monbl Augenheilkd
January 2025
Ophthalmology, Talacker Eye Center Zurich (TAZZ), Switzerland.
Background: Nineteen-year follow-up after initial examination on patients with Axenfeld-Rieger anomaly or syndrome (ARAS) and coexisting Fuchs' endothelial dystrophy (FED). All individuals had previously been tested positive for the PITX2 (g.20 913 G>T) mutation.
View Article and Find Full Text PDFInvestigation of Endothelial Cell Density after PreserFlo Implantation Compared to Contralateral Eyes without PreserFlo Implantation - A Retrospective Analysis.
Klin Monbl Augenheilkd
January 2025
Ophthalmology Department, University Hospital Basel, Switzerland.
Background: Loss of corneal endothelial cells after glaucoma surgery can lead to corneal decompensation and reduced vision. This loss may be accelerated by drainage implants like PreserFlo, which allow controlled subconjunctival filtration. In a retrospective analysis, we examined its impact on corneal endothelial cell density (ECD).
View Article and Find Full Text PDFHorizontal Gaze Tolerance and Its Effects on Visual Sensitivity in Glaucoma.
Invest Ophthalmol Vis Sci
January 2025
Department of Ophthalmology, Saitama Medical University, Saitama, Japan.
Purpose: This study evaluates the effect of 6° horizontal gaze tolerance on visual field mean sensitivity (MS) in patients with glaucoma using a binocular head-mounted automated perimeter, following findings of structural changes in the posterior globe from magnetic resonance imaging and optical coherence tomography.
Methods: In this cross-sectional study, a total of 161 eyes (85 primary open-angle glaucoma [POAG] and 76 healthy) from 117 participants were included. Logistic regression and 1:1 matched analysis assessed the propensity score for glaucoma and healthy eyes, considering age, sex, and axial length as confounders.
Ciliary Body Medulloepithelioma: Clinical and Pathologic Challenges with a Focus on Molecular Genetics.
Semin Ophthalmol
January 2025
Department of Ophthalmology, Sidney Kimmel Medical College of Thomas Jefferson University, Philadelphia, PA, USA.
Objective: Ciliary body medulloepithelioma (CBME), a pediatric intraocular tumor with potential for locally aggressive behavior and metastasis, may present with a diverse spectrum of clinical and histopathologic features leading to diagnostic and management challenges. Examination of unusual CBME cases highlights challenges and modern diagnostic techniques which facilitate accurate diagnosis and guide management.
Methods: A retrospective clinicopathologic analysis of 6 patients with unusual clinical or pathologic features of CBME was performed.
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