Machine Learning Flags Key Risks for Early Macular Degeneration: Hypertension, Joint Disorders, and Dyslipidemia: Study
USA: A new study published in Investigative Ophthalmology & Visual Science and presented at the 2025 ARVO Annual Meeting has identified critical comorbidities that may help predict early-onset age-related macular degeneration (AMD). Conducted by Ethan Wu and colleagues from the University of Pittsburgh School of Medicine, the study leveraged machine learning to examine how systemic health conditions influence the early development of AMD—a major cause of visual loss among the aging population.
The study analyzed data from 930 individuals diagnosed with AMD, categorizing them into two groups: early-onset (before age 65; n=392) and late-onset (after age 85; n=538). To enable standardized comparisons, only comorbidities identified before age 55 were included. The researchers extracted demographic and health information from electronic medical records to construct detailed patient profiles.
Using unsupervised clustering via Uniform Manifold Approximation and Projection (UMAP), the team identified three distinct patient clusters based on comorbidity patterns. Cluster 1 had the highest proportion of early-onset AMD cases (76.09%) and was notably marked by inflammatory joint disorders (60.1%) and hypertension (34.1%). Cluster 2, which also had a high burden of early-onset AMD (69.83%), showed a significant association with hypertension (25.9%). In contrast, Cluster 3 had the lowest rate of early-onset cases (27.02%) and presented minimal or no comorbidities.
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