shows what can happen to your retina from a sudden increase in venous
pressure. What could cause such a sudden increase?
Jumping straight down, followed by sudden upward
acceleration. The patient initially had 20/400 vision in the
affected eye. After surgery it stabilized at 20/25.
The image, by the way, can be viewed full-size at the
open-access NEJM article: Macular
Hemorrhage from Bungee Jumping.