Here's a reference, you downvoting HN twits: http://www.realself.com/blog/terrible-lasik-surgery-complications#.U-xqE_ldVp8 http://www.realself.com/blog/terrib

Here's a reference, you downvoting HN twits: http://www.realself.com/blog/terrible-lasik-surgery-complications#.U-xqE_ldVp8 http://www.realself.com/blog/terrible-lasik-surgery-complica... "you have to pump the pressure up in the eye to about 6x normal in order to cut a good flap, as you can't cut an accurate flap in a floppy eye. The pressure is actually higher than your blood pressure, so the eye stops perfusing with blood, and you go temporarily blind."