Thulasiraj Ravilla is part of the leadership team at Aravind, a social organization providing eye care for the needy... (wikipedia)
If your goal is to provide a service at terms your customers can afford, you have to figure out how to offer your services at price points such that your aggregated costs are lower than your aggregated revenues.
A simple, well-proven surgery can restore sight to millions, and something even simpler, a pair of glasses, can make millions more see.
Whether you are talking about cardiac care or education, the fundamental question is: How do you provide it for everyone?
I think the eyeball is the same, [in] an American or African. The problem is the same, the treatment is the same. Yet why should there be so much variation in quality and in service?