I had been using contact lenses of continuous wearing type for more than ten years. I loved them because they were so convenient that I almost forgot I was nearsighted. Unfortunately most of that type of lenses went out of production and it is getting harder to purchase them. The reason for the production stoppage is obscure but I guess they were dangerous or they didn't sell well. I read a news article about a stupid patient who wore them so long that he couldn't take them off and had to go into surgery of peeling the lenses off his eye balls. What a painful story! Anyway, I'm now mainly wearing so-called monthly type lenses. They are wearable for a month but they have to be removed and cleaned every night. I didn't like this work of cleaning the contact lenses because I would have to boil them to kill bacterias, use a couple of different solutions to resolve protein and oil. However, we don't have to bothered such a troublesome job anymore thanks to this Multi-Purpose Solution. It can clean, rinse, disinfect, lubricate, store and remove protein at one time. Sure, it is not so easy as the continuously wearing type, but it's easy enough even for me to use. It might be the best trade-off between safety and convenience.
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