Yan

A Large-Scale, Standardized Multi-Center Benchmark Covering 7 Imaging Modalities & 4.3M+ Clinical Records The MM-OphBench repository hosts a petabyte-scale, clinically harmonized ophthalmic image archive compiled from leading ophthalmic hospitals and benchmark cohorts. It spans 4,307,415 high-resolution diagnostic images and multimodal pairs across 7 distinct imaging modalities, with comprehensive clinical metadata, expert lesion segmentations, and hierarchical diagnostic taxonomies. All archives are compressed into high-speed Zstandard chunks (.tar.zst) with pre-indexed SHA-256 manifests. A centralized, fully de-identified master index is provided in…