Posterior Capsule Opacification
Clouding behind a lens implant after cataract surgery
Overview
Posterior capsule opacification is the most common long term complication of cataract surgery and is sometimes called a secondary cataract or after cataract. During surgery the natural lens is removed but its thin capsular bag is left in place to hold the artificial lens. Residual lens cells can grow across the back of the capsule, gradually clouding it and causing blurred vision and glare months to years later. It is not a true return of the cataract, and it is treated with a quick outpatient laser procedure called YAG capsulotomy that opens a clear window in the capsule.
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