In the consequence of surfing the Internet for a stroller for my two-month-old daughter for five hours or so in a row, I felt a slight pain in my eyes and could not see objects clearly. It reminded me that I used to do such a thing before when I was a student and those finally caused me to be shortsighted. Since using eyes for too long and not to have a rest every 30 minutes will hurt my eye, I will try my best to avoid doing it again.
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