The back side of the lens capsule, the clear membrane that surrounds the natural lens, remains intact at the time of cataract surgery in order to support the intraocular lens implant. Over time this membrane, known as the posterior capsule, may become thickened and hazy, causing blurred vision or glare, much as a cataract can. Posterior capsular haziness, or opacity, is sometimes referred to as a “secondary cataract,” but is not re-growth of the cataract itself. Once removed, a cataract does not return.
Development of capsular opacity varies from person to person. If significant haze develops to the point that it affects vision, a brief and painless laser procedure called YAG capsulotomy can be performed in the office to clear the opacity from the implant. The capsular opacity generally does not recur once this is performed.
YAG capsulotomy is a short, completely painless in-office procedure. Most patients are able to drive to and from their appointment alone, although the treated eye will be dilated, possibly causing blurry vision for a short time following the procedure. The actual procedure is described below:
All laser procedures have some risk. Serious complications of capsulotomy are very rare and can include damage to or dislocation of the lens implant, retinal tear or detachment, or injury to other ocular structures such as the iris or cornea. Brief elevation of intraocular pressure may occur, and medication is often given at the end of the procedure to avoid problems with pressure.
If you have any questions about this or any other procedure, please feel free to contact us for more information or to schedule an appointment.
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