From a tiny clinic to the largest eyecare provider worldwide, India's Aravind Eye Care System has restored the sight of millions, even those who cannot afford it.
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Founded in 1976, surgeons working for Aravind are among the most productive in the world, with fewer complications than British doctors.
But what is truly astonishing about Aravind is that nearly half of the 300,000 procedures it conducts every year are free.
Aravind treats everyone from presidents to paupers, regardless of what they can pay.
101 East takes you inside Aravind to meet patients and practitioners, and to see how a singular vision is restoring sight to millions who could otherwise never afford it.
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Source: Al Jazeera