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My sister had cataract surgery both eyes a few years ago and says her vision was very clear after the surgery, but through the 2-3 years since that she feels her vision has resorted to the same as it was prior to the surgery. Does this often happen after cataract surgery?
Yes it can. The most common cause is called a poster capsule opacity (pco)
So, what can be done to make the vision better now?
The artificial lens is placed in the capsular bag after your lens (cataract) is removed. This capsule, in a large number of patients, can become cloudy with time and cause a decrease in vision. Some patients say it is almost like their cataract has come back, or they complain of glare, problems reading, driving at night etc.
The good news about a PCO is that it can be easily diagnosed and treated in your ophthalmologists office -- no need for any further surgery or, many times, even a new eyeglass prescription.
How is it treated? Your eye is dilated just like it is for a routine eye exam. A drop of numbing medicine is placed in your eye and, in most cases, a special hand-held contact lens is placed on your eye. You are positioned at a slit lamp that has a laser attached to it and, using the laser, (YAG) the capsule is cut allowing a clear path for light to get to your retina again. The entire procedure takes less then 5 minutes. There is no "post-op" recovery time needed and you can expect good vision to return as soon as the drops wear off.....sometimes even sooner.
Does this make sense to you?
Are you still there?
Yes, I'll have her contact her Opthamologist for this procedure. Thank you.