Ciba Clear Care contact lens solution- What is the metal gear for?

Does anyone know what the rotating metal looking gear on the bottom of the lens holder is for? Does it aid in the cleaning process somehow?Ciba Clear Care contact lens solution- What is the metal gear for?
YES. thats the ';disc';. it activates the hydrogen peroxide solution. you cannot use clear care w/o it.





the activation disc and the solution TOGETHER form the chemical reaction that makes the solution ';neutralize'; into bubbles/saline. the disc is made of metals which are catalysts for that reaction. the solution will not work w/o the disc, and the disc will not work with any other solution.





the disc must be replaced every time you start a new bottle of solution. this is why the case/disc comes with the solution. do not use an ';old'; disc, and do not use the solution with any other case. not only will it not work, it'll BURN like crazy.Ciba Clear Care contact lens solution- What is the metal gear for?
WARNING: Do not squirt the solution directly in your eyes or on your contacts, as essentially you will suffer the pain of putting acid into your eyes.

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Wow, that's crazy! How come they are allowed to do this? Talk about rapacious. And dangerous.

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