This column is the latest article in the ongoing series “I wish I hadn’t done that.” Past submissions can be read here.
It might be a completely pointless exercise to leave a large gas bubble in the eye at the end of DMEK or DSAEK surgery.
We know that supine posturing after DMEK does not affect detachment rates (which immediately calls into question, what exactly is the bubble doing?), and we know that the size of the bubble (big vs. small) does not make a difference, either.
That said, it does seem necessary — at the end of surgery — to pressurize the anterior