Educators say 80 percent of learning depends on a child's ability to see a blackboard or read a book, but some children in the United States never get the glasses they need, including 40,000 children in Los Angeles alone. Statistics show up to 15 percent of all children in elementary school need glasses.

The solution is clear for a group called Vision to Learn. Their bus-clinic provides free eye exams and glasses to students in low-income communities.

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