We take our eyesight from granted. If we can't see clearly, we buy glasses. Not a biggie.
But this is not true for some 2 billion people of extreme poverty. They live in locations that are so far off the beaten path, even if they had the money, they couldn't find an optometrist.
What's the solution? Global Vision 2020. Please watch this video, see some of those in need, give it all a good thought, then visit GV2020.org.