Classroom lighting environment is one of the important factors that affect students' eyesight. Too bright light will produce glare, that is, there is extreme brightness contrast in the field of vision. Being in strong light for a long time can lead to visual fatigue and inattention. And a good classroom lighting equipment should not only be bright, but also have uniform illumination and good color rendering, without stroboscopic and glare.
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At the end of 20 16, 10, the Ministry of Education, the National Health and Family Planning Commission and the General Office of the State Sports General Administration jointly issued the Guiding Opinions on Strengthening the Prevention and Control of Myopia among Children and Adolescents, aiming at effectively controlling the incidence of myopia among children and adolescents in China and improving their visual health.
The document pointed out that all primary and secondary schools should ensure that classroom lighting and lighting meet the requirements of relevant national documents and standards, and provide students with a learning environment that meets the requirements of eye hygiene.
The three characteristics of LED, such as energy saving, long service life and extremely low maintenance cost, are also beyond the reach of fluorescent lamps. Therefore, a new generation of high-quality LED products with high efficiency, eye protection, energy saving and environmental protection should be introduced in the classroom lighting field in time, which is very important for protecting students' eyesight.
The qualified rate of average illuminance of classrooms and desks in primary and secondary schools directly under the central government in Beijing is 60.3%.