The mandatory national standard "Hygienic Requirements for Myopia Prevention and Control of Children and Adolescent School Supplies" will be officially implemented on March 1, 2022. Whether it is textbooks, teaching aids, examination papers, reading materials for preschool children provided by primary and secondary schools, kindergartens, or off-campus training institutions, or school supplies for children and adolescents such as classroom lighting, teaching multimedia, etc., they must meet the standards for myopia prevention and control. Among them, the minimum characters used in student textbooks should not be smaller than "small size 5 characters"; while the teaching multimedia should not have perceptible flickering and meet the requirements for blue light protection.
Affected by multiple factors, the visual health of adolescents is deteriorating. In 2020, a survey conducted by the Ministry of Education on some students in nine provinces showed that compared with the end of 2019, the myopia rate of students has increased by 11.7% in the past six months, among which the myopia rate of primary school students has increased by 15.2%, that of junior high school students has increased by 8.2%, and that of high school students has increased by 11.7%. An increase of 3.8%.
Children's eyes are too tired, how to prevent and control myopia from all aspects? The reporter learned from the State Administration for Market Regulation that the "Hygienic Requirements for Myopia Prevention and Control of Children and Adolescent School Supplies" will be officially implemented on March 1, 2022. And this new standard has been identified as a mandatory national standard.
The reporter noted that the new standard includes textbooks, teaching aids, learning magazines, schoolbooks, examination papers, newspapers for learning, reading materials for preschool children, general classroom lighting, reading and writing homework desk lamps and Educational multimedia and other school supplies for children and adolescents have been included in the management. Whether it is enterprises, primary and secondary schools, secondary vocational schools, kindergartens, or off-campus training institutions that produce, manufacture, operate or provide school supplies for children and adolescents, they must abide by the new standards.
For example, according to the new standards, textbooks used by students of different grades have different requirements for font size and fonts. For example, the characters used in textbooks for the first and second grades of primary schools should not be smaller than "size 3", and the Chinese characters should be in regular script. The characters used in the third and fourth grades of elementary school should not be smaller than "size 4". Chinese characters are mainly in Kai and Song, and gradually transition from Kai to Song. The characters used in grades five to nine and high school should not be smaller than "small size 4 characters", and the Chinese characters are mainly in Song style. For preschool children's learning books, the font size should not be smaller than "3 size characters", and the font should be mainly in italics.
For the auxiliary text such as table of contents and annotations in textbooks, the words used in the main text can be appropriately reduced, but the minimum words used in primary school should not be less than "size 5". The minimum characters used in junior high and high schools should not be less than "small size 5".
The new standard also stipulates "differences" in the line spacing between each line of text in textbooks. Among them, for the first and second grades of primary school, the space should not be less than 5 mm; for the third and fourth grades of primary school, it should not be less than 4 mm; for other grades, it should not be less than 3 mm.
In addition, the new standard also requires that the design and text printing of schoolbooks should be clear and complete, and there should be no obvious stains. Newspapers for learning should have uniform ink color, consistent depth, and clear imprints. There should be no paste that affects recognition, and there should be no obvious watermarks.
For the multimedia that is often used in teaching today, the new standard proposes that the teaching multimedia should not have perceptible flickering, meet the requirements of blue light protection, and the screen brightness should not be too large when used. (Reporter Zhang Nan)
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