About 5 million Vietnamese school-age children have refractive vision problems
newsare.net
Around five million school-age children in Vietnam suffer from refractive vision problems such as myopia, hyperopia, and astigmatism, according to the Ho Chi Minh City Center for Disease Control (HCDC).About 5 million Vietnamese school-age children have refractive vision problems
Around five million school-age children in Vietnam suffer from refractive vision problems such as myopia, hyperopia, and astigmatism, according to the Ho Chi Minh City Center for Disease Control (HCDC). Read more