One in five of us may 'hear' flashes of light

Re:One in five of us may 'hear' flashes of light by maaaats on Wednesday January 18, 2017 @01:51AM (#13424604)

Sounds like voluntary opening of the eustachian tubes, also called BTV in freediving. See https://en.m.wikipedia.org/wiki/Ear_clearing

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Re:One in five of us may 'hear' flashes of light by szemet on Wednesday January 18, 2017 @02:45AM (#13424788)

Oh, Thanks. When I was a child I asked all the adults around about this, but they looked at me like I were a lunatic, so eventually I just stopped talking about it.... :) Glad to have an answer now.

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Re:One in five of us may 'hear' flashes of light by LordKano on Wednesday January 18, 2017 @09:21AM (#13426426)

I learned to do this as a child because I always had issues with feelings of pressure in my ears. I was so sensitive that riding up or down a hill that was big enough would cause discomfort.

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