According to Baidu map, Wuhan Vision Defense is located at Jiefang Avenue 1435, Jiang 'an District, Wuhan City, Hubei Province. Wuhan Youth Vision Prevention and Control Center (hereinafter referred to as Wuhan Vision Prevention) is a non-profit professional technical service organization established in 2007 with the support of the municipal party committee and the municipal government to prevent and control children and adolescents' vision defects, and is responsible for cooperating with the health and education departments to undertake technical guidance and technical services for the vision health management of primary and secondary school students in the city.