Mathieu Gauvin
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View article: Incidence of TASS and endophthalmitis in high-volume, multi-center, multi-surgeon settings employing uniform perioperative protocols
Incidence of TASS and endophthalmitis in high-volume, multi-center, multi-surgeon settings employing uniform perioperative protocols Open
Introduction: Toxic anterior segment syndrome (TASS) and postoperative endophthalmitis are rare but serious complications of intraocular surgery. Real-world incidence data from high-volume ambulatory surgical centers (ASCs) remain limited.…
View article: ChatGPT-4o and OpenAI-o1: A Comparative Analysis of Its Accuracy in Refractive Surgery
ChatGPT-4o and OpenAI-o1: A Comparative Analysis of Its Accuracy in Refractive Surgery Open
Background: To assess the accuracy of ChatGPT-4o and OpenAI-o1 in answering refractive surgery questions from the AAO BCSC Self-Assessment Program and to evaluate whether their performance could meaningfully support clinical decision makin…
View article: Two-Staged Sequential Management of Post-LASIK Ectasia: Under-Flap Corneal Cross-Linking for Stabilization Followed by Flap Surface Topography-Guided PRK for Visual Optimization
Two-Staged Sequential Management of Post-LASIK Ectasia: Under-Flap Corneal Cross-Linking for Stabilization Followed by Flap Surface Topography-Guided PRK for Visual Optimization Open
Background/Objectives: To evaluate the efficacy, accuracy, safety, and long-term stability of topography-guided photorefractive keratectomy (TGPRK) in eyes where post-LASIK (PLE) ectasia progression was stabilized with under-flap corneal c…
View article: Impact of the Minimization of Standard Deviation Before Zeroization of the Mean Bias on the Performance of IOL Power Formulas
Impact of the Minimization of Standard Deviation Before Zeroization of the Mean Bias on the Performance of IOL Power Formulas Open
The study presents a novel two-step approach for optimizing IOL power calculations.
View article: Optimizing IOL Calculators with Deep Learning Prediction of Total Corneal Astigmatism
Optimizing IOL Calculators with Deep Learning Prediction of Total Corneal Astigmatism Open
Background/Objectives: This study aims to identify the most accurate regression model for predicting total corneal astigmatism (TCA) from anterior corneal astigmatism (ACA) and to fine-tune the best model’s architecture to further optimize…
View article: A New Method to Minimize the Standard Deviation and Root Mean Square of the Prediction Error of Single-Optimized IOL Power Formulas
A New Method to Minimize the Standard Deviation and Root Mean Square of the Prediction Error of Single-Optimized IOL Power Formulas Open
The study presents a novel, clinically practical approach for optimizing IOL power calculations.
View article: Comment on: “Angle Kappa is Not Correlated with Patient-Reported Outcomes After Multifocal Lens Implantation” [Letter]
Comment on: “Angle Kappa is Not Correlated with Patient-Reported Outcomes After Multifocal Lens Implantation” [Letter] Open
We read "Angle Kappa is Not Correlated with Patient-Reported Outcomes After Multifocal Lens Implantation" by Liu et al, which analyzes the impact of angle kappa on patient-reported outcomes after multifocal intraocular lens (MIOL) implanta…
View article: Spherical Implantable Collamer Lens with Postoperative Adjunctive LASIK in the Treatment of High Compound Hyperopic Astigmatism
Spherical Implantable Collamer Lens with Postoperative Adjunctive LASIK in the Treatment of High Compound Hyperopic Astigmatism Open
Objective To assess refractive and visual outcomes of a spherical Implantable Collamer Lens (ICL) followed by planned postoperative adjunctive laser-assisted in situ keratomileusis (LASIK) in the treatment of high compound hyperopic astigm…
View article: Novel Technique to Improve the Efficacy of Corneal Cross Linking in Cases of Post LASIK Ectasia [Letter]
Novel Technique to Improve the Efficacy of Corneal Cross Linking in Cases of Post LASIK Ectasia [Letter] Open
We read "Novel Technique to Improve the Efficacy of Corneal Cross Linking in Cases of Post LASIK Ectasia" by Yousif et al. 1 This paper describes a topography-guided photorefractive keratectomy (TG-PRK), followed by phototherapeutic kerate…
View article: Impact of Single Constant Optimization on the Precision of IOL Power Calculation
Impact of Single Constant Optimization on the Precision of IOL Power Calculation Open
Our study contributes to the ongoing effort to enhance the accuracy and reliability of these formulas, thereby improving the surgical outcomes for cataract patients.
View article: The Development of a Thick-Lens Post–Myopic Laser Vision Correction Intraocular Lens Calculation Formula
The Development of a Thick-Lens Post–Myopic Laser Vision Correction Intraocular Lens Calculation Formula Open
The post-LVC formula development process described in this article performed as well as the state-of-the-art post-LVC formula on the present test set. Further studies are required to assess its efficacy in other independent sets.
View article: A Simplified Method to Minimize Systematic Bias of Single-Optimized Intraocular Lens Power Calculation Formulas
A Simplified Method to Minimize Systematic Bias of Single-Optimized Intraocular Lens Power Calculation Formulas Open
The proposed method allows surgeons without special expertise to optimize an IOL constant to nullify the ME on a documented dataset without coding the different formulas. The influence of individual eyes is proportional to the squared powe…
View article: Additional file 2 of mEYEstro software: an automatic tool for standardized refractive surgery outcomes reporting
Additional file 2 of mEYEstro software: an automatic tool for standardized refractive surgery outcomes reporting Open
Additional file 2.
View article: Additional file 1 of mEYEstro software: an automatic tool for standardized refractive surgery outcomes reporting
Additional file 1 of mEYEstro software: an automatic tool for standardized refractive surgery outcomes reporting Open
Additional file 1.
View article: Using the First-Eye Back-Calculated Effective Lens Position to Improve Refractive Outcome of the Second Eye
Using the First-Eye Back-Calculated Effective Lens Position to Improve Refractive Outcome of the Second Eye Open
The present study is a retrospective, monocentric case series that aims to compare the second-eye IOL power calculation precision using the back-calculated lens position (LP) as a lens position predictor versus using a predetermined correc…
View article: Comparing the RETeval® portable ERG device with more traditional tabletop ERG systems in normal subjects and selected retinopathies
Comparing the RETeval® portable ERG device with more traditional tabletop ERG systems in normal subjects and selected retinopathies Open
Purpose Our study aimed to determine if ISCEV standard-like ERGs recorded with the LKC RETeval ® portable ERG unit compared to those obtained using the more traditional tabletop unit. Methods ERGs recorded from normal subjects and patients…
View article: Large Axis Difference Between Topographic Anterior Corneal Astigmatism and Manifest Refractive Astigmatism: Can Topography-Guided LASIK Target the Manifest Axis?
Large Axis Difference Between Topographic Anterior Corneal Astigmatism and Manifest Refractive Astigmatism: Can Topography-Guided LASIK Target the Manifest Axis? Open
PURPOSE: To investigate whether the degree of astigmatism axis discrepancy between preoperative manifest refractive astigmatism and anterior corneal astigmatism impacts refractive and visual outcomes of primary topography-guided laser in s…
View article: Vector Analysis Reveals That Topography-Guided LASIK Targeting the Manifest Refraction (MR) is Superior to Topography-Modified Refraction (TMR) and Layer Yolked Reduction of Astigmatism (LYRA) [Letter]
Vector Analysis Reveals That Topography-Guided LASIK Targeting the Manifest Refraction (MR) is Superior to Topography-Modified Refraction (TMR) and Layer Yolked Reduction of Astigmatism (LYRA) [Letter] Open
Avi Wallerstein,1,2,* Mathieu Gauvin1,2,* 1Department of Ophthalmology and Visual Sciences, McGill University, Montreal, QC, Canada; 2LASIK MD, Montreal, QC, Canada*These authors contributed equally to this workCorrespondence: Avi Wallerst…
View article: Keratoconus Features on Corneal Higher-Order Aberration Ablation Maps: Proof-of-Concept of a New Diagnostic Modality
Keratoconus Features on Corneal Higher-Order Aberration Ablation Maps: Proof-of-Concept of a New Diagnostic Modality Open
The corneal HOA ablation map revealed a recurring, distinct, easily recognizable pattern in KC eyes. There was a strong correlation between the depth of novel HOA ablation map metrics and validated Pentacam KC indices. Novel information ca…
View article: Disagreement Between Theoretical and Actual Phorcides Outcomes: Is Phorcides Inferior to Treating on the Manifest Refraction? [Letter]
Disagreement Between Theoretical and Actual Phorcides Outcomes: Is Phorcides Inferior to Treating on the Manifest Refraction? [Letter] Open
Avi Wallerstein,1,2,* Mathieu Gauvin1,2,* 1Department of Ophthalmology and Visual Sciences, McGill University, Montreal, QC, Canada; 2Department of Research & Development, LASIK MD, Montreal, QC, Canada*These authors contributed eq…
View article: <p>Disagreement Between Theoretical and Actual Phorcides Outcomes: Is Phorcides Inferior to Treating on the Manifest Refraction? [Letter]</p>
Disagreement Between Theoretical and Actual Phorcides Outcomes: Is Phorcides Inferior to Treating on the Manifest Refraction? [Letter] Open
Predictions Comparing Three Different Programming Methods." 1 In the Manifest group, the calculated theoretical outcomes revealed an unexpectedly elevated postoperative refractive astigmatism average error of 0.56 ± 0.22 D. 1 This large am…
View article: Distinguishing Familial from Acquired Traits in the Retinal Blood Vessel Arborization
Distinguishing Familial from Acquired Traits in the Retinal Blood Vessel Arborization Open
Our results suggest the existence of a specific, reproducible, and transmissible retinal identifier, a feature that could potentially be associated with the prevalence of a given disease process, thus offering the possibility of identifyin…