According to the results of the "National Myopia Survey of Children and Adolescents" conducted by the National Health Commission in 2022, currently, China has nearly 700 million myopia patients, and the adolescent myopia rate ranks first in the world. The prevalence of myopia among junior and senior high school students has exceeded 70% and is increasing year by year. The myopia rate among primary school students is also approaching 40%. In China, primary and secondary school students spend an average of 60% of their time in the classroom every day, and substandard and unhealthy classroom light environment is one of the main reasons for the decline in eyesight of primary and secondary school students.

Since the Ministry of Education and other eight ministries and commissions issued the "Implementation Plan for Comprehensive Prevention and Control of Children and Adolescents' Myopia", the "Work Plan for Children and Adolescents' Myopia Prevention and Control Bright Action (2021-2025)" and the "2021 National Key Work Plan for Comprehensive Prevention and Control of Children and Adolescents' Myopia", many provinces have required to ensure that the lighting in primary and secondary school classrooms in the province meets 100% national standards by the end of 2023. In order to achieve this goal, classroom lighting renovation across the country has been in full swing in recent years. So, what kind of classroom eye protection lamp should be selected to effectively achieve myopia prevention and control?

1、 Excellent illumination

"Hygienic Code for Lighting and Lighting in Primary and Secondary School Classrooms" states that all classrooms should be equipped with classroom eye protection lamps, and the maintained uniform illumination value on the surface of the classroom desks should not be less than 300lx, and the illumination uniformity should not be less than 0.7; The classroom blackboard should be equipped with classroom blackboard lights that maintain a uniform illumination value of not less than 500lx, and the illumination uniformity should not be less than 0.8.

2、 No glare

The uniform glare value (URG) of the classroom should not be greater than 16. Most of the fluorescent lamps and general LED lamps used for classroom lighting have severe glare problems, which can easily lead to myopia, reduce students' attention, and affect learning efficiency. Data shows that traditional T8 bracket fluorescent lamps do not have glare processing. At the same time, the glare value of general lamps is greater than 20, causing dazzling. Learning in this environment for a long time can cause dizziness and dizziness among students, which can easily lead to myopia.

3、 High color rendering index

The color rendering index of the classroom lighting source should not be less than 90. Traditional T8 bracket fluorescent lamps do not have glare treatment. Generally, the color rendering index of a lamp is around 70, but it cannot reach 90. However, if the color rendering index does not reach 90, it will distort the image you see.

4、 No stroboscopic hazards

The impact of stroboscopic cues on eyesight is most evident, which can easily distract students and reduce learning efficiency. The stroboscopic phenomenon of traditional T8 fluorescent lamps is particularly severe when starting and voltage is unstable. However, when current is stable, the stroboscopic (shake depth) is also greater than 40%, and the stroboscopic value of ordinary LED lamps is also greater than 20%. Learning in this environment for a long time can also easily cause visual fatigue. The strobe of professional LED classroom eye protection lights is less than or equal to 3.2%, far lower than the first two.

5、 Moderate color temperature

The classroom should choose a light source with a color temperature of 5000 K. Currently, the color temperature of professional LED classroom eye protection lamps is mostly 5000K, which belongs to warm white light. However, many campuses use traditional T8 fluorescent lamps and ordinary LED lamps, which have a color temperature greater than 6500K and are classified as cold white light.

6、 No blue light hazard

"Blue light" is a word that I believe everyone is familiar with. The most commonly used word in optical stores is "anti blue light". If ordinary LED lamps do not pass the anti blue light treatment, there will also be blue light damage. The professional LED classroom eye protection lamp has passed the professional treatment, reaching the exemption level, without blue light damage.

Educational lighting fixtures that meet these six requirements will have a more realistic, non dazzling, and brighter color than before. Eyes are very comfortable, with low fatigue, and there is no psychological weariness due to eye fatigue, reducing the rate of myopia. The brightness of the blackboard becomes more uniform, the eyes become more comfortable, and it becomes more convenient to engage in concentrated learning and work. The above is a detailed introduction to the standard classroom eye protection lamp specifications, hoping to be helpful to you!

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