The Lancet

Artificial Intelligence Tools Expand Access to Eye Disease Diagnosis Globally

The global burden of eye disease is increasing substantially. WHO estimates that at least 2·2 billion people globally have a visual impairment, of which over 1 billion instances could have been prevented or remain unaddressed.1 As the population ages, the number of people affected by age-related eye diseases continues to rise.2 Meanwhile, modern lifestyles, such as prolonged screen time, near-work activities, and reduced time outdoors, are reshaping how people use their eyes. These shifting beha