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I have noticed that if you look directly at tubelight (I have only white ones in my home) and close your eyes little, you see little random shaped colourless things sometimes with slow speed and sometimes with falling down.

They are shaped like circles with something in between and in chains of random length.

My father has also seen them. So, I am sure I am not imagining things. What the hell are they?

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They're inside your eyes ;) –  mikhailcazi Apr 26 at 11:27
    
Oh, John Rennie's answered that. My bad, didn't see! –  mikhailcazi Apr 26 at 11:27
    
Almost everyone has these and they are harmless in small numbers. If you have a sudden increase in the number of floaters then that is symptomatic of potentially serious problems and you should consult an eyecare professional. –  Eric Lippert Apr 26 at 14:41
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It's been suggested that this is off topic here and belongs on Biology. –  David Z Apr 26 at 16:37
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1 Answer 1

Those are floaters. These are objects floating in the vitreous humour that fills the eyeball. They typically look like:

Floaters

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Thanks. Up until now, I knew that it were white blood cells.. :) –  Sachin Shekhar Apr 26 at 11:34
    
@SachinShekhar They're a variety of stuff. Protein structures, cell debris, etc. –  mikhailcazi Apr 26 at 11:45
    
Wikipedia says in old age.Is it normal for a 15 year old kid to see them? –  Awesome Apr 26 at 12:06
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@Awesome: I've seen them ever since I was a little kid, so I don't think it's abnormal. –  DumpsterDoofus Apr 26 at 12:42
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@Awesome I can recall being fascinated by this when I was still in my cot - probably about 3 years old. I recall quivverring my eyes to make them move around! I'm now 50 and everything sight wise still works well! –  WetSavannaAnimal aka Rod Vance Apr 26 at 13:56
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