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MedXY News/Ophthalmology

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Ophthalmology

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Impact of Corneal Posterior-to-Anterior Radius Ratio on Intraocular Lens Power Calculations: Rethinking the Role of Total Keratometry

This study reveals that the corneal posterior-to-anterior radius ratio (PAR) influences the refractive prediction differences between standard keratometry (K) and total keratometry (TK) for intraocular lens (IOL) power calculations, undersc

Aug 20, 2026
Neurology

Late-Onset Leber Hereditary Optic Neuropathy: Environmental Triggers, Genetic Factors, and Visual Recovery Insights from a Large Italian Cohort

This study characterizes clinical and genetic features, explores triggers, and identifies prognostic factors, including idebenone treatment and mitochondrial haplogroups, in patients with late-onset Leber Hereditary Optic Neuropathy.

Aug 20, 2026Sign in to read
news

Early Retinal Sensitivity Decline in Intermediate AMD: Insights from Lesion-Centered Functional Trajectories in the PINNACLE Study

This article summarizes key findings from the PINNACLE study on localized retinal sensitivity loss in intermediate age-related macular degeneration (iAMD), highlighting spatial vulnerability patterns and lesion-specific functional decline t

Aug 18, 2026Sign in to read
news

Long-Term Safety and Ophthalmic Outcomes of Voretigene Neparvovec-rzyl in US Clinical Practice: Interim Multicenter Observational Findings

Interim real-world data over nearly 4 years confirms the long-term safety and sustained visual benefits of voretigene neparvovec-rzyl in treating inherited retinal dystrophies, with manageable procedure-related adverse events including chor

Aug 18, 2026
news

Predicting the Future of Uveitis: Bridging Subspecialty Divides Through Knowledge Dissemination and Technology

This article examines the evolving landscape of uveitis care, emphasizing the need to unify ophthalmologic subspecialties through education and artificial intelligence to improve outcomes for this vision-threatening condition.

Aug 17, 2026Sign in to read
Clinical Updates

Incidence and Risk Factors for Progression of Pachychoroid Subtype: A Comprehensive Review

This review synthesizes evidence on the incidence and risk factors for progression within pachychoroid subtypes, highlighting diagnostic stability, factors predictive of neovascularization, and implications for clinical management.

Aug 17, 2026
news

Neurodevelopmental Outcomes of Anti-VEGF versus Laser Photocoagulation for Retinopathy of Prematurity: Insights from a Comprehensive Review by the American Academy of Ophthalmology

This review synthesizes current evidence on neurodevelopmental outcomes after treating retinopathy of prematurity with anti-VEGF injections versus laser photocoagulation, finding no significant differences in long-term cognitive or developm

Aug 17, 2026Sign in to read
Clinical Updates

Baseline Deep Capillary Plexus Ischemia as a Superior Predictor of Early Diabetic Retinopathy Complications Relative to Foveal Avascular Zone Enlargement

Deep capillary plexus ischemia quantified by geometric perfusion deficit predicts earlier and higher risk of diabetic retinopathy complications than foveal avascular zone enlargement, underscoring GPDd’s clinical utility as a biomarke

Aug 16, 2026
Infectious Diseases

Temporal Dynamics of Valacyclovir Prophylaxis in Herpes Zoster Ophthalmicus: Insights from the Zoster Eye Disease Study

This analysis of the ZEDS trial suggests that valacyclovir prophylaxis offers temporally localized protection against recurrent ocular inflammation in herpes zoster ophthalmicus, supporting one-year suppressive therapy despite non-significa

Aug 16, 2026
news

Refractive Outcomes and Predictive Accuracy of IOL Power Formulas in Yamane Intrascleral Fixation

A comparative evaluation of third-generation and modern IOL power calculation formulas reveals consistent hyperopic shifts post-Yamane intrascleral fixation, with optimized constants yielding comparable refractive predictability across form

Aug 12, 2026Sign in to read
Clinical Updates

Efficacy and Safety of Dual-Sided Composite Defocus Spectacles for Pediatric Myopia Control: A Comprehensive Evidence Review

This review synthesizes evidence on dual-sided composite defocus (DSCD) spectacle lenses, demonstrating significant myopia progression reduction and axial elongation control in children, contextualized within broader spectacle-based interve

Aug 12, 2026
Superintelligence

Comparative Performance of Four AI Systems for Detecting Referable Diabetic Retinopathy in Tanzania: A Real-World Evaluation

This study evaluates four commercially available AI systems for diabetic retinopathy screening in Tanzania, demonstrating high sensitivity for referable and proliferative DR and highlighting considerations for implementation in low-resource

Aug 12, 2026Sign in to read
news

PRISM Framework: A Comprehensive Staging System for Open-Angle Glaucoma and Risk Stratification

This article presents the PRISM model, a unified glaucoma classification integrating risk profiling, structural imaging, functional testing, and disease progression to enhance diagnosis and inform treatment strategies for open-angle glaucom

Aug 11, 2026
news

Predicting Progression in Intermediate AMD: The Crucial Role of Ellipsoid Zone Integrity and Quantitative OCT Biomarkers

Quantitative OCT biomarkers, especially ellipsoid zone integrity and hyperreflective foci, strongly predict 2-year progression from intermediate to advanced atrophic AMD, offering potential for early risk stratification and targeted interve

Aug 11, 2026Sign in to read
news

Optimizing IOL Power Calculation After Myopic Laser Vision Correction: Insights from a Multicenter Evaluation of 14 Formulas with Posterior Corneal Curvature Consideration

This large multicenter study demonstrates that modern intraocular lens power formulas, particularly those incorporating posterior corneal curvature, provide superior refractive prediction accuracy in eyes with prior myopic laser vision corr

Aug 10, 2026Sign in to read
news

Identifying Risk Factors for Progression from Primary Angle Closure Suspect to Primary Angle Closure: Insights from the ANA-LIS Trial

This post hoc analysis of the ANA-LIS trial elucidates key anterior segment anatomical and clinical predictors—including baseline intraocular pressure and plateau iris configuration—that increase the risk of progression from primary angle c

Aug 10, 2026
Diabetes & Endocrinology

Crowded Optic Discs and Risk Stratification of NAION in GLP-1 Receptor Agonist Users: Insights from a Large Multicenter Study

This large multicenter study reveals that nonarteritic anterior ischemic optic neuropathy (NAION) patients exposed to GLP-1 receptor agonists exhibit similar optic disc crowding compared to nonexposed patients, with smaller cup-to-disc rati

Aug 10, 2026Sign in to read
news

Bridging the Gap: Understanding and Reducing Diagnostic Delays in Childhood Onset Uveitis

This nationwide UK study identifies key factors contributing to delayed diagnosis in childhood non-infectious uveitis, underscoring the need for improved primary care awareness and streamlined referral pathways to prevent vision-threatening

Aug 6, 2026
news

Global Axial Length Centile Charts: A New Reference for Myopia Management in Children and Adolescents

New region- and sex-specific axial length centile charts provide vital reference values for myopia monitoring and management in children, highlighting regional differences and supporting targeted interventions against rising myopia rates.

Aug 6, 2026
Diabetes & Endocrinology

Systemic Interleukin-6 Inhibition as a Novel Approach to Reduce Diabetic Retinopathy Risk and Progression

Systemic IL-6 inhibitors are linked to significantly reduced risks of diabetic retinopathy development, progression, and vision-threatening complications, suggesting therapeutic potential for diabetic eye disease.

Aug 6, 2026
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