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Identifying patients with poor visual outcomes after primary rhegmatogenous retinal detachment surgery using machine
Ai Fujita Sajiki1, Kanae Fukutsu2, Akifumi Matsumoto3
1Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
The British Journal of Ophthalmology
|July 3, 2026
Summary
Machine learning models accurately predict poor visual outcomes following primary rhegmatogenous retinal detachment (RRD) surgery. These models demonstrate superior performance compared to existing scoring systems for visual prognosis.
Area of Science:
- Ophthalmology
- Medical Informatics
- Machine Learning
Background:
- Primary rhegmatogenous retinal detachment (RRD) surgery aims to restore vision.
- Predicting poor visual outcomes is crucial for patient management and surgical planning.
- Existing scoring systems may have limitations in accuracy.
Purpose of the Study:
- To develop and evaluate machine learning (ML) models for predicting poor visual acuity after primary RRD surgery.
- To compare the performance of ML models against the established Primary Retinal detachment Outcomes (PRO) score.
Main Methods:
- Utilized data from the Japan-Retinal Detachment Registry, including 2658 patients with 6-month postoperative visual acuity.
- Developed prediction models using LightGBM, XGBoost, Random Forest, and logistic regression with 47 clinical features.
- Assessed model performance using the area under the receiver operating characteristic curve (AUROC).
Main Results:
- All developed ML models exhibited high discriminative accuracy (AUROC: 0.876-0.901).
- The Random Forest model achieved the highest accuracy (AUROC: 0.901), outperforming the PRO score (AUROC: 0.794).
- ML models effectively identified patients with poor visual prognosis (logMAR VA≥1.0 at 6 months).
Conclusions:
- Machine learning models offer a highly accurate method for predicting poor visual prognosis after primary RRD surgery.
- The Random Forest model shows promise as a superior tool for visual outcome prediction in RRD patients.
- These findings can aid in optimizing patient care and surgical strategies for RRD.

