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Cataract - Overview

A cataract is a condition that can be defined as clouding of the lens of the eye. This clouding significantly affects vision and requires a surgical procedure whose goal is to restore vision and deal with the problem of blurred vision, a typical feature of a cataract.

The condition progresses slowly and if left untreated may cause complete blindness. It affects both eyes. There are several types of cataracts including age-related cataract, congenital cataract, secondary cataract and traumatic cataract.

Cataract surgery is, a removal of the natural lens of the eye and its replaced with a synthetic lens. The goal of the surgery is to restore the lens transparency. The surgery is successful in 98% of all cases.

Blurred vision after Cataract Surgery

Even though cataract surgery is considered a routine procedure with rather few complications, it may sometimes cause certain side effects with blurred vision being one of them.

One of the problems following the surgery is swelling of the cornea or retina. The swelling of these eye structures may cause blurred vision. Patients need not to worry if this occurs since after a period of time and after complete healing or with the assistance of certain medications the sight is completely restored.

Posterior capsule opacity is the complication of the surgery. It typically leads to blurred vision. What happens is, during the procedure the surgeon removes the cloudy natural lenses and replaces it with artificial ones, the capsular bag of the lens remains. However, a hazy membrane within this capsular bag may remain trapped behind the artificial lenses and this leads to blurred vision. Posterior capsule opacity requires additional surgery to remove the remnant membrane.

Even dislocation of the new intraocular lens may cause blurred vision after the surgery. This complication of the surgery is connected to either incorrect positioning of the artificial lens or occurs due to rupture of the capsular bag.

The rupture of the capsular bag is known as zonular dialysis. It does not have to lead to dislocation of the artificial lens but it does per se cause problems with vision. This complication also requires additional surgery.

And finally, bleeding in the eye during or after the surgery may be responsible for the occurrence of blurred vision.

Blurred vision may occur after phacoemulsification cataract surgery and it is also common for cataract laser eye surgery. Each and every patient who has problem with blurred vision after the cataract surgery must consult his/ her doctor in case the blurriness does not improve after a few weeks or even if it gets worse.

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