How to prevent and control myopia from classroom lighting
According to the latest survey conducted by the Ministry of Education of 14,532 people in 9 provinces, compared with the end of 2019, the myopia rate of students has increased by 11.7% since the first half of 2020. Among them, the myopia rate of primary school students has increased by 15.2%, and the myopia rate of junior high school students has increased by 8.2%. The myopia rate of high school students increased by 3.8%.
The situation of myopia prevention and control is very serious, and the impact of classroom lighting on eyesight cannot be ignored!
Myopia cannot be completely cured! So the most important thing is the prevention of myopia, which means cultivating good eye use habits. The core is to reduce or avoid using eyes at close range for a long time. Experts from Beijing Tongren Hospital pointed out: Among them, 3-7 years old is the critical period for myopia prevention, and good eye use habits must be formed. The preventive measures recognized by experts at home and abroad mainly include 8 aspects:
1) Outdoor activities in the sun, maintain for more than 2 hours a day.
2) Participate more in ball games. For example, basketball, football, table tennis, tennis, volleyball, etc.
3) Three 1 principles: the book is one foot away from the eyes; the pen tip is one inch away from the fingers; the chest is punched away from the table.
4) The 20-20-20 principle: After using your eyes for 20 minutes, look at an object 20 feet (about 6 meters) away for at least 20 seconds.
5) Pay attention to light when reading and writing. The light cannot be too weak, nor can you write in the sun.
6) Reduce the use time of electronic products.
7) Pay attention to your diet and eat less sweets. Eat more fruits and vegetables, soy milk, eggs, fish, animal liver, etc.
8) Check eyesight regularly. Establish refractive development files and track the development of vision with data.
———— "Prevention" and control of myopia, starting from the lighting of healthy classrooms————
The classroom is the main activity place for students in school. The lighting of the classroom directly affects the students' learning efficiency and vision health. However, at this stage, the quality of the classroom lighting environment in most primary and secondary schools in my country does not meet the requirements of national standards, and there are widespread problems such as insufficient classroom brightness, uneven lighting, aging lighting equipment, and unreasonable installation, which seriously endanger students' vision health and eye safety .
Therefore, the country is paying more and more attention to the transformation of the classroom lighting environment. Benwei Lighting has responded to the national call to strictly control the color temperature, glare, blue light, and illuminance in the education lighting transformation to prevent bad lighting from harming the eyesight of students!
Benwei Lighting develops and produces eye-protection lamps specially used for classroom lighting. It meets the national standard. The desk maintains an average (constant) illuminance greater than 300lx and an illuminance uniformity of 0.7; the blackboard maintains an average (constant) illuminance of 500lx and an illuminance uniformity of 0.8; color rendering The index is greater than 90, and the color reproduction is high; the grille anti-glare design is adopted, and the glare value is less than 16, which is not dazzling; the color temperature is 5000K, which is comfortable and soft; the entire classroom has uniform illumination, no stroboscopic, and more eye-care!
