How important is the impact of the eye-protecting classroom lighting environment on the eyesight of students
The current situation of low eyesight of our students is very serious. According to statistics, the rate of poor eyesight of students has been increasing year by year. Experts generally believe that there are many reasons for the poor eyesight of students, such as: congenital factors; incorrect sitting posture; excessive learning burden; too long time watching TV or operating a computer, etc. The most fundamental reason is the poor environment of educational lighting.
In response to the phenomenon of children’s recent video posting, the whole society needs to take action to take good care of the children’s vision and health, so that children have a bright future.
As a factor directly related to the visual health of students, school classroom lighting is gradually being known to the public. A good classroom lighting environment can effectively reduce students’ visual fatigue and play a vital role in the prevention and control of myopia.
In the "Implementation Plan for the Comprehensive Prevention and Control of Myopia in Children and Adolescents" jointly issued by the Ministry of Education, the National Health Commission and other eight ministries and commissions, schools are clearly required to improve the visual environment for teaching and provide students with a learning light environment that meets the requirements of eye hygiene. School classroom lighting The compliance rate of sanitation standards must reach 100%.
However, the current situation of classroom lighting is that the indoor lighting of the school is not optimistic. The average illuminance of the desks and blackboards in the classroom is low, the illuminance is not up to standard, the glare value is too high, and the position of the lamps is too high. So what measures should the school take to address the above problems?
In 2018, the State Administration for Market Supervision and Administration and the National Standardization Administration approved and issued the "Hygienic Requirements for the Design and Installation of Lighting in General Classrooms in Primary and Secondary Schools" (GB/T36876-2018). Illumination and hygienic requirements for design and installation have been specified in detail:
The classroom desktop maintains the average illuminance not less than 300lx, and the illuminance uniformity is not less than 0.7; the blackboard surface maintains the average illuminance not less than 500lx, and the illuminance uniformity is not less than 0.8.
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