Cataract, high eye pressure and corneal edema after surgery: why does it happen?
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Cataract surgery is the most performed operation in the world with about 30 million operations a year and over 715 thousand in Italy. According to data from the ‘Alcon Eye on Cataract’ survey, 45% of Italians, after cataract surgery, perceive seeing as a younger person with an improvement in the quality of life in 79% of cases. Yet, sometimes there may be complications as happened to this reader who asks to understand why ocular edema has formed following the operation and eye pressure has increased.
Cataracts can happen even under the age of 50
by Angela Nanni
He answers Francesco OddoneHead of the Glaucoma Unit of the IRCCS Fondazione Bietti at the British Hospital in Rome.
Request. A few months ago I had a cataract operation and on the same day, leaving the hospital, I almost immediately went to the eye emergency room for a very strong headache and pain in the skull above the operated eye. The doctor told me that there was excess elastic mistletoe causing hypertonicity and that if there was no stitch he would make a small incision so that the eye could expel the excess. The next day I went back to the facility where they had operated on me for post-cataract checks and here they also tell me of corneal edema and that it took 2-3 weeks for me to see well again. Sadly, to this day my vision is blurry and it is as if I am seeing through ground glass. My situation is disastrous in my opinion and since I’m starting to no longer trust what I’ve been told I’m looking around to go to someone else. According to your personal experience, what could have happened during the surgery given that with the other eye operated on for cataract I see very well?
The ophthalmologist answers The complete archive
Answer. Dear reader, ocular pressure can increase immediately after cataract surgery or due to retention of viscoelastic material or more simply due to the inflammatory process that normally follows surgery. In both cases the ocular pressure tends to normalize within a few days or at most a few weeks also thanks to the use of anti-inflammatory and ocular hypotensive drugs. Corneal edema resulting from ocular hypertonicity also usually resolves as ocular pressure normalizes. Corneal edema, however, can occur after cataract surgery even regardless of the increase in eye pressure and depends on the ability of the cornea to react to the surgical insult. This means that in some cases the corneal edema resolves quickly while in others it can even take a few weeks. It should be remembered that a still cloudy vision after surgery, despite a good cornea, could also be linked to other causes, the simplest of which is the need for appropriate glasses. I wish you a speedy recovery.
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