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研究背景人们常说灯是眼睛的伙伴,但是在各所学校物质条件不断改善,用眼科学不断普及的今天,中学生近视发病率有增无减。这学期我们在物理书中了解到“照度”的有关知识,初步知道灯光照度与中学生视力有着密切联系。于是我们选定了该调查报告的课题,对教室灯光照度与目前普遍流
Research Background People often say that the lamp is the partner of the eyes, but in the school material conditions continue to improve, with the popularization of ophthalmology today, the incidence of myopia in secondary school unabated. This semester, we learned in the physics book, “illumination” of the relevant knowledge, preliminary knowledge of light intensity and secondary vision has a close relationship. So we selected the subject of the survey report on the classroom lighting and current prevalence of lighting