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现在学校近视眼学生越来越多．防治学生近视眼已经成为一个亟待解决的问题。人们为此作了许多努力．但收效甚微，防治近视处于被动状态。改善视觉环境将开拓出一条防治近视的新途径。1视觉环境对现力的影响学生的用眼方式主要是看书写字，眼睛是利用纸张与字体色度和亮度反差来
Myopia students are now more and more schools. Prevention and treatment of myopia has become a problem to be solved. People have done a lot of work to that end. But with little effect, prevention and treatment of myopia in a passive state. Improving the visual environment will open up a new way to prevent myopia. A visual environment on the impact of the current students use the eye is mainly to read and write, the eyes is the use of paper and font color and brightness contrast to