20 16 September 18. According to the website of Hefei Municipal People's Government, Binhu Youth Vision Protection Base in Baohe District of Hefei City was established on 201June 9 18. Provide students with services such as ophthalmology physical examination, myopia prevention and control science, popular science culture display teaching, and visual function training experience. Establish free vision health files for students in the whole region (one file for each person, depending on the student status).