ArticleInternational journal of computer assisted radiology and surgery2025
Intraoperative adaptive eye model based on instrument-integrated OCT for robot-assisted vitreoretinal surgery.
Article in International journal of computer assisted radiology and surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Intraoperative fusion of models and data for robust distance sensing.International journal of computer assisted radiology and surgery · 2026Article
- Curvature-corrected retinal registration of diagnostic OCT with instrument-integrated OCT.Scientific reports · 2025Article
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Authors and funding
9 authors.
Funding
Abstract
purposePars plana vitrectomy (PPV) is the most common surgical procedure performed by retinal specialists, highlighting the need for model-based assistance and automation in surgical treatment. An intraoperative retinal model provides precise anatomical information relative to the surgical instrument, enhancing surgical precision and safety.
methodsThis work focuses on the intraoperative parametrization of retinal shape using 1D instrument-integrated optical coherence tomography distance measurements combined with a surgical robot. Our approach accommodates variability in eye geometries by transitioning from an initial spherical model to an ellipsoidal representation, improving accuracy as more data is collected through sensor motion.
resultsWe demonstrate that ellipsoid fitting outperforms sphere fitting for regular eye shapes, achieving a mean absolute error of less than 40
conclusionThe adaptive eye model developed in this work meets the accuracy requirements for clinical application in PPV within the central retina. Additionally, the global model effectively extrapolates beyond the scanned area to encompass the retinal periphery.This capability enhances PPV procedures, particularly through virtual boundary assistance and improved surgical navigation, ultimately contributing to safer surgical outcomes.
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