Interesting, I see geometric patterns when I rub my eyes real hard, always wonde... | Hacker News

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codezero on March 23, 2014 | parent | context | favorite | on: Alan Turing's 'Morphogenesis' Theory Confirmed 60 ...

Interesting, I see geometric patterns when I rub my eyes real hard, always wondered what caused it.

3rd3 on March 23, 2014 [–]

I think there is a wiki article explaining this by pressure and heat both activating cells on the retina.

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