Adhering to the scientific spirit and scientific prevention and control are the distinctive features of China's fight against the novel coronavirus epidemic. Whether it is putting forward the general requirements of "strengthening confidence,

working together in times of difficulty, scientific prevention and control, and precise policies", or deeply summarizing the great spirit of "life is first, the whole country is united, risking life and death, respecting science and sharing the future",

it reflects the spirit of respecting and promoting science. Over the past three years and more, we have upheld the scientific spirit, respected the laws of science, adhered to scientific understanding, and implemented scientific measures to defeat the epidemic through science.

First, follow the laws of science throughout the whole process of decision-making and command, patient treatment, technological research, social governance and other aspects, to provide solid support for the fight against the epidemic and promote development.

Second, relying on strong scientific and technological support, we will screen out clinically effective traditional Chinese medicines and Western medicines and treatment methods such as "three medicines and three parties",

and strengthen scientific and technological research and development of vaccines, rapid detection reagents and drugs. Third, adhere to a scientific and pragmatic attitude, implement differentiated and targeted prevention and control by regions and levels,

and effectively coordinate epidemic prevention and control with economic and social development. Fourth, strengthen science popularization, disseminate knowledge about epidemic prevention, improve people's scientific literacy,

health literacy, civilized quality and self-protection ability, and stabilize public sentiment and strengthen confidence in victory through science popularization.

How should children myopia be prevented and controlled scientifically? National authoritative guidelines put forward three-level prevention strategies | Hello new semester

Studies have shown that the occurrence of myopia is the result of a variety of factors, and children and adolescents are generally susceptible. Recently, the National CDC organized the formulation of the "Children and Adolescents Myopia Prevention and control of public health comprehensive intervention Technical guidelines".

The Guidelines propose myopia intervention techniques for children and adolescents, and implement comprehensive public health intervention measures with tertiary prevention strategies to prevent, reduce and slow down the occurrence and development of myopia in children and adolescents.

Monitoring, evaluation and intervention of myopia risk behavior

1.Students' eye behavior evaluation. For students of different school ages, the ophthalmic Behavior Evaluation Table for Kindergarten and Primary School Students in Grades 1-3 (Parent edition) (Attached Table 1) and the ophthalmic Behavior Evaluation Table for Primary School students in grades 4-6 and Middle School students (Student Edition) (Attached Table 2) were used to evaluate the ophthalmic behavior of students from kindergarten to high school,

and to identify the risk behavioral factors affecting myopia in children and adolescents. Such as insufficient time for outdoor activities, excessive use of electronic products, lack of sleep or social jet lag, poor reading and writing posture, visual environment is not up to standard, less eye relaxation behavior.

2.Application of evaluation results. According to the specific risk factors, teachers and parents are targeted to change the adverse eye use behavior of children and adolescents (the contents listed in Schedules 1 and 2 can be used as the content of health education and behavior standards).

3.Use appropriate technology to promote good eye behavior. Actively develop or utilize the existing appropriate myopia prevention and control technology, and apply it to promote the rational eye use behavior of children and adolescents.

For example, height sitting high desk and chair measuring ruler (desk and chair allocation measuring ruler), correct reading and writing posture wall chart, light monitor, eye relaxation exercise, etc.

School, family, community visual environment improvement

1.Construction of visual friendly environment of the school. Schools should provide students with a good lighting and lighting environment according to the hygienic Requirements for the Prevention and Control of Myopia in Children and Adolescents' school Supplies.

Each class should be equipped with desks and chairs allocation measuring ruler, regularly measure the height range of students and timely adjust the desks and chairs.

Each classroom should be equipped with adjustable desks and chairs or 2-3 types of desks and chairs according to the height range of students, the same type of desks and chairs can be placed in columns, and the height of desks and chairs will be personalized adjusted once per semester according to the height and sitting height of students.

According to the viewing Angle of the student seat, the lighting condition of the classroom and the change of the student's vision, the school will change the student seat at least once a month. Multimedia classrooms should choose large projectors or computer screens. In the case of the same screen size, choose a product with a high screen resolution.