Question 1

What is the most common cause of blurred vision after cataract surgery?

Accepted Answer

A common cause of gradual vision deterioration or blurred vision occurring 1–5 years after cataract surgery is secondary cataract or posterior capsular opacification.

Question 2

Can a cataract grow back?

Accepted Answer

No. A cataract does not grow back, but posterior capsular opacification or secondary cataract may appear, which involves fibrosis and clouding of the lens capsule. It develops in approximately 10–50% of patients in the months or years following surgery. The more time has passed since surgery, the greater the chance of development.

Question 3

What should I do if I have blurred vision after cataract surgery?

Accepted Answer

Consult an ophthalmologist who is preferably experienced in treating the most common causes of blurred vision after cataract surgery. A thorough ophthalmological examination performed with pupil dilation—supplemented with OCT and visual field testing—usually sheds light on the exact cause of the abnormalities.

Question 4

How can secondary cataract or posterior capsular opacification be treated?

Accepted Answer

The most advanced treatment for lens capsule thickening, a common cause of blurred vision after cataract surgery, is premium laser treatment for posterior capsular opacification, performed with an Ellex device using the PRO technique. This is a more modern, advanced version of conventional YAG laser capsulotomy.

Question 5

How dangerous is posterior capsular opacification treatment?

Accepted Answer

PRO laser capsulotomy is one of the safest ophthalmological procedures. It involves no pain, requires no external incision, and takes only a few minutes on an outpatient basis, which we perform on the day of examination. There is no dressing after the procedure, and the pupil-dilating effect also wears off after 2–3 hours.

Question 6

What other causes are there for blurred vision after cataract surgery?

Accepted Answer

In addition to posterior capsular opacification, dry eye, macular edema, glaucoma, and eye floaters are the most common causes, and several may be present simultaneously.

Question 7

When should I see a doctor immediately for blurred vision after cataract surgery?

Accepted Answer

If blurred vision developed suddenly (within hours or days), or you experience severe pain, significant eye redness, flashes of light, or a fixed or growing dark shadow in your visual field (a descending curtain or rising wall), contact your treating physician immediately or visit the nearest emergency service (phone 1830)!

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