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The Curious asked in HealthOptical · 1 decade ago

Sometimes when I'm really tired, my eyes feel like they're shaking from left to right and sometimes I see...?

...doubles as though my eyes have crossed. Why does this happen and what does it mean?

1 Answer

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  • 1 decade ago
    Favorite Answer

    it's because you've been staring at the computer screen for too long. And if you're tired, go to sleep, your eyes need rest.

    Source(s): Me
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