Fig. 1: Physical access to cataract surgery for the population aged ≥50 years in Kenya.

A Distribution and density of population aged ≥ 50 years in Kenya. B Proportion of population aged ≥ 50 years in Kenya by category of travel time to the nearest permanent cataract surgical facility. C The proportion of each Kenyan county’s population aged ≥ 50 years living within 2 h travel time to the nearest permanent cataract surgical facility.