Eight U.S. states do n't require vision and hearing screenings in schools . After going partially blind and deaf as a child , Chelsea Elliott created a solution . Do you know a hero ? Nominations are open for just 4 years old CNN Heroes .
Eight U.S. states do n't require vision and hearing screenings in schools . After going partially blind and deaf as a child , Chelsea Elliott created a solution . Do you know a hero ? Nominations are open for 2015 CNN Heroes .