据悉，我国青少年的近视率居全球第一，70%的学生有视力方面的问题．为引起广大青少年的重视，某英语报刊正在开展以" Saving Our Eyesight"为题的征文活动．请根据以下提示写一篇短文投稿，分析造成青少年近视的原因并提出保护视力的合理建议．
要求：1．语句通顺，意思连贯，语法正确，书写规范．
2．所有提示须全部用上，并作适当发挥．
3．文中不得出现真实的人名、校名、地名．
4.80词左右（文章开头和结尾已给出，不计入总词数）．
Saving Our Eyesight
As the saying goes, "Eyes are the window to the soul（心灵 ） "However, 70% of us have poor eyesight. What has caused this problem?
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In a word, let’s take care of our eyes so that we can see our bright future.