Saturday, May 28, 2016

Cover your left eye, and focus your right eye on the tiny circle on the left. At some point the big circle will pass over your blind spot. If you can’t see this effect, try sitting closer/further to the screen and repeat the test. Everyone has a blind spot, where the optic nerve meets the retina.


http://ift.tt/1TNM2hm via /r/woahdude http://ift.tt/1qPQvEE

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