It’s the biggest health crisis you’ve never heard of. Doctors, philanthropists and companies are trying to solve it.

Shivam Kumar’s failing eyesight was manageable at first. To better see the chalkboard, the 12-year-old moved to the front of the classroom, but in time, the indignities piled up.

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http://www.accessibilitynewsinternational.com/a-simple-way-to-improve-a-billion-lives-eyeglasses/