Hello guys, I need an explanation on this:
today i checked my oxygen saturation in Finger Pulse Oximeter (in College)and my readings were
pulse - 67 (it showed normal 60-130)
when i put stress on my brain(stop breathing and try to push air inside lungs out) my new readings were
O2- -- (not shown by meter)
when i started breathing again at that moment ,i saw RED lines either horizontal or vertical in my vision like a CRO display .
one each of horizontal and vertical on left ,one vertical in middle, one horizontal on right.
Iooked away and they were still there.(total 3 sec)
So i closed my eyes and relaxed and they were gone.
Could somebody explained what happened?Dd my eyes be damaged with such attempt?
Go on the internet and read about "valsalva maneuver" that's what you did to yourself and it temporarily reduced flow to your brain and eyes. It's not a good thing to do voluntarily, its of use when passing stool, you did not damage your eyes.
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