During cataract surgery your cloudy natural lens is removed but the natural lens capsule is left behind to hold the clear plastic lens implant.
Sometimes, months or years after cataract surgery your sight may become cloudy again. This may be caused by the lens capsule becoming thickened and cloudy. This is known as posterior capsule opacification (PCO).
PCO is a fairly common complication of cataract surgery. It can normally be treated with a painless laser procedure done in an outpatient clinic. The laser treatment removes some of the thickened and cloudy lens capsule to restore clear vision.
The laser treatment is quick and effective and usually returns vision to what it was like just after your cataract surgery.
Read more about PCO and the laser surgery used to treat it.