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source_8354009ba8ba4b8f
{"contradictions": ["The concept of 'retinal age'—a biological age estimate derived from fundus photographs via artificial intelligence—has emerged as a potential non-invasive biomarker for systemic aging and disease risk, yet the consistency and clinical meaning of the 'retinal age gap' (predicted minus chronological age) across different outcomes remains uncertain.", "This synthesis applies a st…
sha256 ac6f2125a2656693…