I had cataract surgery/implants 6 months ago and so far so good. I have read that a cloudiness can occur in some cataract patient's eyes that is easily fixed with a laser by the doctor/clinic that originally did the surgery and at no cost to the patient. Your OD is not likely to be able to perform that procedure.
Some say that CLO2 can help with cataracts, but I have not read any testimonials that is works. It might work, but I have not seen any proof of that.
The following info is from
here
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Can my cataract come back?
No. It is not possible for a cataract to come back once it has been removed. However, in the months and years after surgery, about half of all cataract patients experience some reduction in vision as cells grow across the back of the clear capsular bag that holds the lens implant. Vision becomes fuzzy and dim much like it was with a cataract. This cloudiness is called a secondary cataract and is easily treated with the YAG laser. In one short visit, painless bursts of laser light create a tiny opening in the cloudy capsule to restore clear vision.