Self-Adjusting Glasses

(CBS) The challenge of truly helping the poor of the developing world can often appear daunting which is where one far-seeing doctor comes in.

More than one in three people in the United States wears glasses or contact lenses. In developing countries, few have the luxury. They're simply left to cope in a blurry world, not only because glasses cost money but also because there are almost no trained optometrists to fit them.

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