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A fundus image dataset for intelligent diabetic retinopathy system
Shaojuan Peng1, Shuo Yang1, Xinyu Zhao1
1Shenzhen Eye Hospital, Shenzhen Eye Center, Southern Medical University, Guangzhou, China.
Scientific Data
|April 1, 2026
Summary
A new dataset of ultra-wide-field (UWF) fundus images aids AI development for diabetic retinopathy (DR) diagnosis. This resource improves the accuracy and reliability of AI systems for detecting DR, especially peripheral lesions.
Area of Science:
- Ophthalmology
- Medical Imaging
- Artificial Intelligence
Background:
- Diabetic retinopathy (DR) is a leading cause of irreversible vision loss, affecting the working-age population globally.
- Deep learning (DL) in ultra-wide-field (UWF) imaging enhances DR grading and peripheral lesion detection, surpassing traditional methods.
- A critical barrier to AI in UWF-DR diagnosis is the scarcity of standardized, high-quality, and accessible datasets.
Purpose of the Study:
- To construct a comprehensive and publicly available dataset of UWF fundus images for diabetic retinopathy research.
- To facilitate the development and validation of more robust and generalizable AI-assisted diagnostic systems for DR.
- To overcome limitations in current AI models by providing a standardized resource for training and testing.
Main Methods:
- Compilation of 1,630 UWF fundus images from 809 patients diagnosed with or without diabetic retinopathy.
- Annotation and classification of images by three senior ophthalmologists to ensure high-quality, expert-validated labels.
- Dataset designed for the development and validation of artificial intelligence systems for UWF-based DR diagnosis.
Main Results:
- Creation of a novel, standardized dataset of UWF fundus images specifically for diabetic retinopathy analysis.
- The dataset provides a valuable resource for training AI models to improve diagnostic consistency and accuracy.
- Addresses the need for reliable data to enhance the clinical applicability of AI in detecting peripheral retinal lesions.
Conclusions:
- The developed UWF-DR dataset is crucial for advancing AI-driven diagnostic tools in ophthalmology.
- Availability of this dataset will empower researchers to build more efficient and accurate AI systems for DR detection.
- Facilitates the wider clinical adoption and real-world application of AI in managing diabetic retinopathy.

