It's pretty amazing that any of them survive that ordeal. You and I would NOT fare so well if subjected to the same baro-stress.

As an eye surgeon, I worry a lot about the pop-eye syndrome. Besides the obvious mechanical stress of stretching the optic nerve, there's the release of dissolved gas causing intra ocular bubbles and corneal edema. If a human was subjected to same, there would also be rapid progression to cataract over the next few months from the lens coming into contact with the gas bubbles.

Makes me wonder if the survivors don't all end up permanently blind?