This is what eye rubbing looks like in MRI.
keratoconus (and possibly other ocular conditions) is caused by excessive eye rubbing
[full video, Damien Gatinel: https://t.co/f3I53Vbp3e]
Astronaut Mark Kelly once smuggled a full gorilla suit aboard the International Space Station. He didn't tell anyone about it. One day, without anyone knowing, he put it on.