Be alert during the holiday, be wary of myopia, exacerbation, the child uses the electronic product to choose this.
Original title: During the holiday period, the e-product to be wary of myopia is exacerbated by the child. The Beijing Municipal Education Commission will not be released. From January 23, the city’s middle school students will not come to the school, and the students have completed all the work at the end of this semester. […]