Hmm, while I don't disagree (surgeon for 33 yrs here), I would say that number 3, for me, is not entirely accurate. Like when my retina spontaneously detached during the insetting of a pec flap for an oropharyngeal defect, and the scrub nurse completely disappeared from my line of sight, I did have to step out. Turned the case over to a partner and got myself to the retina specialist down the street pronto. Bubble done. Had vision back when the patch came off 12 hrs later. So...