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爱眼护眼保护视力主题班会PPT课件

  • 2026-06-16 12:38:52
爱眼护眼保护视力主题班会PPT课件

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15

本期干货

同学们,大家好!

今天我们的班会主题是——《爱眼护眼,保护视力》。

一、眼睛,是我们最重要的“窗户”

蓝蓝的天空、白白的云朵、绿绿的草地,这些美丽的风景,都需要我们的眼睛才能看到。

我们都知道一句名言:“眼睛是心灵的窗户。”但其实,眼睛更是我们认识世界的窗口。科学研究告诉我们,我们所接受的外界信息中,有80%是靠眼睛来完成的。

也就是说,如果没有一双健康的眼睛,我们的学习、生活、运动、交友,甚至未来的梦想,都会受到巨大的影响。

所以,今天这节课,我们不讲大道理,只聊一聊:我们和眼睛之间,到底发生了什么?

二、近视,正在悄悄“偷走”我们的视力

同学们,你们有没有发现,班里戴眼镜的同学越来越多了?

有的同学可能会说:“戴眼镜也没什么不好呀,看起来还挺有学问的。”

但你们知道吗?近视不仅仅是“看不清”那么简单。

近视是什么?

简单来说,近视就是只能看近,不能看远。远处的东西,在你眼里是模糊的、变形的。

近视是怎么来的?

有三个主要原因:

遗传因素:如果父母都是高度近视,那子女近视的可能性就很大。

环境因素:这是目前最主要的原因。比如:

长时间近距离看书、写作业、玩手机

读写姿势不正确,趴着、躺着、歪着头

光线太暗或太强

课桌椅不合适

体质因素:挑食、缺乏锻炼、营养不良,也会让眼睛更容易近视。

三、近视的危害,比你想象的要严重

同学们,婀娜多姿的山河、绚丽多彩的万物,一切美好都需要眼睛来观察。

冰冻三尺非一日之寒,水滴石穿非一日之功。

爱眼护眼,不是口号,而是一辈子的事。从今天开始,让我们:

端正读写姿势

少看手机多运动

认真做眼保健操

多吃对眼睛有益的食物

一起努力,守护我们心灵的窗户,拥有一双明亮、健康的眼睛!

.....

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  1. CONNECT:[ UseTime:0.001120s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001478s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000678s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000619s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001286s ]
  6. SELECT * FROM `set` [ RunTime:0.000558s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001443s ]
  8. SELECT * FROM `article` WHERE `id` = 507260 LIMIT 1 [ RunTime:0.006557s ]
  9. UPDATE `article` SET `lasttime` = 1782148751 WHERE `id` = 507260 [ RunTime:0.009075s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000662s ]
  11. SELECT * FROM `article` WHERE `id` < 507260 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001012s ]
  12. SELECT * FROM `article` WHERE `id` > 507260 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000952s ]
  13. SELECT * FROM `article` WHERE `id` < 507260 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002473s ]
  14. SELECT * FROM `article` WHERE `id` < 507260 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001676s ]
  15. SELECT * FROM `article` WHERE `id` < 507260 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.006331s ]
0.196837s