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教育头条 > 小学家长 > 儿童正常视力是多少为标准?儿童近视眼怎么恢复视力?

儿童正常视力是多少为标准?儿童近视眼怎么恢复视力?

小学家长 11-17 浏览量: 分享:
人们都知道成人的正常视力是1.5—2.0,那么,儿童的正常视力应该是多少呢?刚生下来的婴儿,视力较弱,其眼轴较短,均为远视眼,以后眼球逐渐发育,视力也逐渐增加。下面三好网学管老师整理以下相关内容,解开大家心中的疑问。

 

一、儿童正常视力是多少为标准?

成人的正常视力是1.5—2.0, 我国儿童不同年龄段正常视力为, 2岁:0.4—0.5, 3岁:0.5—0.6, 4岁:0.7—0.8, 5岁:0.8—1.0, 6岁:1.0或以上 孩子5岁时的视力应为1,0以上,8岁后应为2.0左右,14岁后的饱和视力可能达到3.0左右。1.0仅为正常视力的最低标准,1.5也不是最好的视力.


二、孩子近视的表现有哪些?

1、看物体时经常眯眼。
近视患者看东西时经常眯眼,这是因为眯眼时眼睑可以遮挡部分瞳孔,这样就能减少光线的散射,从而可以暂时提高和改善视力。因此,当您的孩子经常眯眼看物体时,应考虑到其可能患了早期近视。

2、频繁眨眼。
频繁地眨眼在一定程度上可以缓解近视,增强视力。因此,当您的孩子出现频繁眨眼的症状时,应考虑其是否患了早期近视。

3、经常揉眼睛。
一些孩子因为近视而看不清物体时,经常用手揉眼睛,为的是更好地看清物体。因此,当发现您的孩子经常揉眼睛时,应及时带其去医院检查视力。4、经常歪着头看物体。一些患有早期近视的儿童常常会歪着头看物体。这是因为歪着头看物体可以减少散射光线对其视力的影响。因此,,当发现你的孩子经常歪着头看物体时,一定要带其去医院检查视力,并要纠正其看物体的错误姿势,以免使其养成歪头的习惯。

5、经常皱眉。
一些患近视的儿童有皱眉的习惯。这是他们试图改善视力的一种方法。但经常皱眉会使眼外肌压迫眼球,这反而会加快近视的发展速度。因此,当发现您的孩子经常皱眉时,要及时带其去医院检查视力。并要帮助其改掉经常皱眉的毛病。


三、儿童近视眼怎么恢复视力?

1.分清真假近视

家长在发现孩子眼睛近视后,一定要带孩子去正规的眼科医院做检查,确认孩子是真性近视还是假性近视,这一点非常重要。尤其是小学生,眼睛还处于发育阶段,很多都是假性近视,千万不能当成真性近视来对待。


2.配戴眼镜校正

如果确定是真性近视,就一定要听从医生的建议配戴合适的眼镜,来校正视力,否则视力会越来越差。


3.滴眼药水

可以滴一些缓解视力疲劳的眼药水,可以有效缓解眼疲劳。通常医生检查后都会都会开一些眼药水的,平时按照使用说明去滴就可以了。但是个人认为眼药水多少都会对眼有副作用,最好不要用。


4.注意用眼时间

平时注意用眼时间,看书写字不要时间太长,要劳逸结合,防止眼睛疲劳。学习间隙多做做眼保健操,看看远处,让眼睛得到放松,充分地休息。


5.坐姿要端正

坐姿端正是非常重要的,不仅可以预防近视还可以塑造出完美的体形。平时家长要提醒孩子在读书、写字时一定要注意姿势。保持端正的坐姿对身体发育有很大的好处。


6.电子产品尽量少用

现在手机、平板很常见,基本上每个家庭都有,这些电子产品对视力伤害很大。想要恢复视力,平时少看电视少玩手机,尽量远离电子产品。空闲时间多出去运动,可以有效地预防近视,对恢复视力很有帮助。


7.充足的睡眠很重要

对于处于身体发育期的孩子来说, 保证充足的睡眠是必不可少的。在睡眠的时候,身体各部分能够得到充分的休息,身体各部分都会进行修复,在第二天才能够更好地学习。


8.多吃明目食物

在日常生活中,要营养均衡,不挑食。多吃新鲜的水果蔬菜尤其是新鲜的胡萝卜,鱼肉等 ,还可以喝一些菊花茶,对恢复视力会有很大的帮助。

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