作文中要注重细节,通过细致描写能增加文章的立体感,作文是语文学习中最重要的环节,这是取得高分的关键,职场巴巴小编今天就为您带来了预防近视的作文5篇,相信一定会对你有所帮助。
预防近视的作文篇1
the eyes are the window of the soul, and some of the students wear glasses at a young age.
in fact, as long as they write their homework, they understand that they have written their homework with a low head and a foot, a fist and an inch of it. some students may think: the eye is not important, myopia is myopic, as long as finish the homework. others like to watch tv, play computer games, think when they eat, and think when they walk.
some people may think that wearing glasses is not only harmless, but it also looks beautiful and knowledgeable. in fact, some people are "jinyu", they are destroying their own eyes.
and once you put on your glasses, it's a big hassle. it was raining, and the glasses were so vague that it was necessary to dry them to see clearly. before you go to bed, you have to put your glasses away and get up in the morning. what if you can't find your glasses?
students, please protect our eyes from the threat of myopia. let us pay attention to the reading and writing posture, allowing the eyes to be less exposed to one minute of radiation and less damage from one minute, so you are not a member of the nearsighted army.
it's too late to regret the day you put on your glasses.
let us protect our eyes, cherish our eyes, and do not let the glasses become the weight and burden of it!
眼睛是心灵的窗户,而有些同学小小年纪就戴上了眼镜。
其实只要一看他们写作业的姿势就明白了,原来他们写作业时头低得很下,什么一尺、一拳、一寸全都丢到九霄云外去了。有些同学可能会想:眼睛不重要,近视就近视,只要完成作业就行。还有人喜欢看电视、玩电脑,吃饭时在想,走路时也在想。
或许有人认为戴眼镜不仅没坏处,而且看起来又漂亮又显得知识渊博。其实有些人是“金玉其外、败絮其中”,他们是在糟蹋自己的眼睛。
而一旦戴上了眼镜,麻烦真不小。下雨了,眼镜上一片模糊,必须把它擦干了才能看清楚。睡觉前,得把眼镜放好,早上起床,万一找不到眼镜,那怎么看东西呢?
同学们,请保护好我们的眼睛,不要让它受到近视的`威胁。让我们注意读写姿势,让眼睛少受一分钟辐射,少受一分钟伤害,这样你就不会成为近视眼大军中的一员。
如果到戴上眼镜的那天才后悔,那就为时已晚,追悔莫及了。
让我们保护眼睛,珍爱眼睛,不要让眼镜成为它的负重与累赘!
预防近视的作文篇2
now the primary myopia rate rise sharply, many students have become "four-eyes flogs", in order to let students attention, i myopia pupils myopia, launched a probe conditions as follows:the pupils, high myopia rate 22.78% show ascendant trend. take our class, i class has nearly half of them wear glasses. this is a terrible number!
i think, myopia is genetic effects, but the most important still own some adverse factors. such as writing from desktop is too low, eyes in time playing online games, the lamplight, doing eye exercises reading.
eyes, etc.the key to preventing myopia, except to wear glasses now almost no other therapies, but also not in the long run, wearing glasses only form good habits can correctly with eyes prevent myopia, otherwise will backfire.
another thing: eye exercises is to protect the eyes, and students didn't pay attention to it, either in the eyes, or when the eye exercises, such not only disorderly massage can protect the eyes, will harm to our eyes, so please remember: must be strictly eye exercises, to protect our eyes.
预防近视的作文篇3
人看东西,无论是看远、看近都是靠眼球和管眼睛的肌肉来调节的。许多同学在看书、写字的时候距离书本很近,而且一看就是很长的时间,弄得眼睛很疲劳;也有很多同学喜欢一面走路一面看书,躺在床上看书或在光线不足的地方看书,这样天长地久以后,管眼睛的肌肉疲劳了,眼球里面的晶壮体也变形了,这些同学也就变成近视眼患者。患了近视眼的同学,需要及时配戴近视眼镜矫正视力,当然还得比常人更需要注意用眼卫生,不要使近视加深。
同时,没有患近视的朋友,要养成用眼习惯:一、要端正读写姿势,要保持读书、写字的姿势端正,必须遵守三点要求:眼与书本一尺远;胸与桌子距一拳;笔尖与手指一寸远。二、用眼不要持久,持续读书写字1小时左右要休息片刻。三、看电视用眼要卫生。明白长时间看电视会损害视力,会导致眼肌调节紧张和疲劳,造成近视。
其实,补钙也可以防近视。众所周知,维生素a缺乏时对儿童视力有不良影响,钙缺乏也同样会造成儿童视力减退。
如果儿童膳食中缺钙就会引起神经肌肉兴奋性增高,使眼外肌处于高度紧张状态,再加上少年儿童做作业时间长,不注意用眼卫生,共同造成眼球调节的时间增加,增加了眼外肌对眼球的压力。
正常情况下,少年儿童的眼球正处于发育阶段,眼球壁的伸展性很大,巩膜质地坚韧并具有弹性,一般可抵御这种压力而不致于造成近视。但当缺钙时,巩膜的强度就会相对降低,并在眼外肌的长期机械压力作用下,其结果往往是造成眼球壁逐渐延伸,是眼球壁有球变成椭圆形,角膜与晶状体到视网膜的距离就因此而拉长了,使图象不能在视网膜上成像,从而导致近视的发生。因此对正处于生长发育期的少年、儿童来说,补钙不仅有助于身体发育,还能预防近视,真是一举两得的好事。
预防近视的作文篇4
我国中小学生近视患病率仅次于日本,居世界第二位。近年来,中小学生近视患病率逐年增加,据20xx年全国学生体质监测结果显示,近视检出率小学生为40.89%,比20xx年增加9.22%,初中生为67.33%,比20xx年增加9.26%,高中生为79.2%,比20xx年增加2.04%。同时,近视患者的年龄也呈越来越小的趋势,有的甚至已经拓展到儿童甚至是学龄儿童。此外,近视高发年龄大大提前,研究发现广州市中小学生7-10岁就开始进入近视高发年龄,12岁便达到发病最高峰。因此,最好在7岁前就开始预防近视。
从上面的数据可以看出儿童青少年近视现状非常严峻,那么其实是哪些因素在影响着近视呢?杨晓副主任告诉家庭医生在线编辑,近视的影响因素主要包括环境和遗传因素。首先,遗传因素不可忽视。根据中山眼科中心的双生子研究发现,遗传因素对近视的作用和影响占70%以上。如果父母双方都是近视者,那么小孩患近视的'危险因素增加。其次,环境因素也相当重要,近距离工作、不正确的读写姿势、视环境不良、户外运动不足及营养因素等都会导致近视。一项关于广州市中小学生视力不良的行为发生率统计结果显示,用眼距离过短占90.7%、作业时间过长占78.5%,趴在桌子上读写占63.1%。而如今,由于学业负担重,学生参加户外活动的时间明显减少,大大增加了学生近视的机率。
预防近视的作文篇5
谁都希望自己有一双炯炯有神的双眸,宛如夜空中闪亮的星星。而患了近视病后,那厚厚的眼镜片,像什么似的,显不出一点孩子的活泼和可爱。更看不出一点斯文 的气质。
那么怎样才能保护好自己的眼睛,预防近视呢?
首先要有正确的用眼姿势,同学们每天都要读书写字,有的人写字时,下巴搁在桌上,肩膀歪着,眼睛恨不得钻到纸里去,这样眼睛为了调节合适的'距离,使肌肉得不到放松,晶状体凸度增大,长久之下,睫状体内的肌肉得不到放松,变凸的晶状体也不能恢复到正常状态,因此,眼睛就会看不清远处的东西,所以,我们一定要使用正确的用眼姿势,眼与书的距离要保持33厘米左右,千万不能躺着或走着看书哟!
其次要注意合适的光线,简单的说,就是不能太暗或太亮。否则会使散瞳缺少屈光度而造成近视。我想你一定经历过。
还有就是要注意劳逸结合,看书一小时后,就要向远方眺望一会,看看绿色的田野,一幢幢的楼房,以此来缓解一下眼睛的疲劳,千万不可立即看电视。
眼睛是宝贵的,如同我们的生命,我们一定要爱护它。眼睛是心灵的窗户,它展示着一个人的聪明、可爱、活泼。让我们积极的预防近视,让你的心灵之窗永远明亮。
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