Vision loss from age-related macular degeneration affects millions of older adults, yet predicting who will progress to blindness remains challenging. This comprehensive analysis of 17 systematic reviews encompassing 218 prognostic factors reveals how clinicians might better identify high-risk patients before irreversible damage occurs.
The research synthesized evidence across 79 distinct prognostic markers, finding that optical coherence tomography findings combined with specific lifestyle factors offer the strongest predictive power. Among modifiable risk factors, antioxidant and multivitamin supplementation showed the most robust evidence for slowing progression, while smoking cessation emerged as equally critical. The analysis categorized prognostic factors into eight domains, with structural ocular changes, lifestyle behaviors, and intervention responses most frequently studied.
This meta-analysis addresses a critical gap in personalized ophthalmology care. Unlike many eye diseases with curative treatments, AMD management relies entirely on slowing progression since no therapy can restore lost vision. The identification of reliable prognostic markers could transform clinical decision-making, allowing earlier intervention for high-risk patients while avoiding unnecessary treatment for stable cases. However, the predominance of non-modifiable factors among the 218 identified markers highlights the disease's complex genetic and aging-related nature. The integration of high-resolution imaging data with comorbidity patterns and lesion characteristics represents a promising approach for risk stratification. While individual studies vary in methodology and population characteristics, this comprehensive overview provides the most complete picture to date of factors influencing AMD progression, offering clinicians evidence-based tools for patient counseling and treatment timing decisions.