Here in the U.S. you can purchase it over the counter in any drug store. It's rather expensive but well worth it. I use that during the day and have clear vision after. Some doctors will try a temporary plug made from collagen, which will dissolve on their own. If this works well, a more permanent plug could be done.
Patients report the procedure is painless and no big inconvenience.
The majority of patients are pleased with the results. As with any medical device there are some shortcomings, but they seem very rare. It was done on an out-patient basis at Albany Medical Center. The surgery itself took about 30 minutes. The gold implant I had was 1.2 grams.