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Synthetic colour fundus photographs for ophthalmic foundation model pretraining: 1× release

Bowen Xu, Hongyang Jiang, An Ran Ran, Paul Nderitu, Ke Zou, Yukun Zhou, Gabriel Dawei Yang, Jocelyn Hui Lin Goh et al.

Figshare, 2026

Abstract

This release contains 28,430 synthetic colour fundus photographs selected from the synthetic image pool used to study scaling in ophthalmic foundation-model pretraining. Images were generated with Stable Diffusion XL 1.0 and dataset-specific LoRA adapters developed using ODIR, BRSET, and mBRSET resources.The release includes neutral image identifiers, deterministic dose membership, a per-image manifest, and checksums. Generation and analysis code: https://github.com/PolskieStronk/synthetic-fundus-scaling.

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