Your Eyes Can Reveal Your Biological Age

Researchers have advanced the ability to estimate biological age by analyzing retinal scans, offering insights into the body's internal wear and tear. This method, which analyzes the light-sensitive tissue at the back of the eye, can provide a unique health assessment.

The retinal age gap, the difference between biological and chronological age, serves as a marker for aging and mortality risk. Studies using over 29,530 retinal scans have shown that a biologically older retina correlates with higher risks of smoking, diabetes, and macular degeneration.

Furthermore, a higher retinal age is associated with increased risks of cardiovascular and respiratory diseases, cancer, dementia, and death within the subsequent 15 years. It also reflects markers of metabolism, inflammation, cognitive abilities, and lifestyle choices.

Interestingly, women's retinas typically appear biologically younger than men's, though this pattern reverses after menopause. Blood pressure also tends to follow this trend. Further research is needed to fully determine the accuracy and clinical utility of retinal imaging for systemic aging signals.