Schools and nonprofits are trying to address what they see as a growing problem, as more children need eyeglasses but can't afford them. "Kids are getting nearsighted from close work and machines, electronic devices," [Dr. Robert Abel] said. The American Academy of Ophthalmology estimates half of the world's population will be nearsighted, or myopic, by 2049, with children being the most at risk. In Maryland's Kent County Public Schools, a mobile vision clinic has helped to ensure more children have access to free eye exams, glasses. The national organization works with local funding partners, states and ophthalmologists to offer free eye care to school children in need. Last November, the nonprofit Vision to Learn made a stop at Galena Elementary. One by one, students boarded a converted 151-square-foot Mercedes-Benz Sprinter van, where an optometrist and optician conducted eye exams inside. Children who needed glasses then selected from a choice of 30 frames. A few weeks later, the Vision to Learn van returned to hand out the glasses at a school assembly. The glasses were given out like awards. That way, educators and health providers hoped to combat any stigma of wearing glasses. Vision to Learn has expanded to 14 states, each with their own corresponding mobile clinic van. Other organizations, like OnSight's "Vision Van" in New York and VSP Global's "Eyes of Hope" mobile clinic, headquartered in California, have taken up the same cause in an effort to improve student outcomes.