论文部分内容阅读
近视是学生的多发病,危害很大。很多学者认为近视是一个多因素的疾病。作者为了找出发病的主要因素,以便控制近视的发病率,从中学生中随机抽取98例近视,107例正视加以对比分析。认为近视发生的主要因素有以下三个方面:(1)学生视力负担过重,如学生用眼时间过长,特别是学习姿势不正,在家学习桌面照度不足,长时间看电视且距离过近等。(2)参加体育活动不足是近视发生主要因素之一。(3)家庭伙食标准低,供给营养不足,也是一个很值得重视的因素。
Myopia is a frequent occurrence of students, a great harm. Many scholars think myopia is a multifactorial disease. In order to find out the main factors of morbidity in order to control the incidence of myopia, 98 cases of myopia were randomly selected from middle school students, and 107 cases of orthopnea were compared and analyzed. The main factors that cause myopia occur in the following three aspects: (1) students are overloaded with eyesight, such as students spend too much time with eyes, especially learning posture is not correct, lack of illumination at home to learn desktop, watching TV for too long and the distance is too close . (2) lack of participation in physical activity is one of the main factors of myopia. (3) The low standard of family meals and the lack of nutrition supply are also factors worth paying attention to.