Lattice degeneration, an inherited condition in which parts of the retina become very thin and are easily torn.
Age older than 50.
Nearsightedness (myopia). The shape of a nearsightedeye results in more pulling (traction) on the retina. This in turn can cause premature posterior vitreous detachment. The retina is also thinner and more likely to tear in people who are nearsighted.
Surgery for cataracts. People who have had cataract surgery are at increased risk for later developing retinal detachment.