Barrage laser is at times done prophylactically around a hole or tear associated with<unk>  in an eye at risk of developing a retinal detachment. It is not known if surgical interventions such as laser photocoagulation or cryotherapy is effective in preventing retinal detachment in patients with<unk>  or asymptomatic retinal detachment. Laser photocoagulation has been shown to reduce risks of retinal detachment in symptomatic<unk> . There are documented cases wherein retina detached from areas which were otherwise healthy despite being treated previously with laser.
Lattice degeneration
Ballooning degeneration
Feathery degeneration
Degeneration 
Calcification
Remyelination
Joint locking 
Demineralization 