Mexico impact investors set sights on social returns

After six weeks at the Aravind Eye Hospital in the Indian city of Madurai, talking to everyone from the janitors to the head of the low-cost eye-care centre, Javier Okhuysen and his partner flew back to Mexico City with a business plan, and opened their pilot eye clinic four months later.

Working to tackle preventable blindness caused by cataracts and chronic diseases such as glaucoma, their company salauno has performed 17,000 cataract operations in the six years since it started, and will soon add an eye hospital to its string of clinics in Mexico.

"Thirty percent of . . .