Hydrogen peroxide cleaning systems for contact lenses have a stronger disinfecting power. Unlike other types of solutions, peroxides don't include preservatives, which makes them a great option for those with very sensitive eyes.

Peroxide solutions can only be used with the advice of your optician, as they usually include around 3% of hydrogen peroxide, and it requires neutralising. This neutralising happens either with a catalyst disk located in the bottom of the case itself or with tablets that are added to the solution. When added to the solution, these elements trigger the reaction that removes proteins from your lenses and neutralises the hydrogen peroxide.

If the peroxide is not neutralised, the solution could seriously damage your eyes. What's more is that it needs to be neutralised for a certain amount of time before it's safe to use, usually for 6 hours. And it's important to note that you shouldn't rinse your lenses with hydrogen peroxide solutions: there are other products for that, like saline solutions, as we'll see later on.

Hydrogen peroxide solutions can be used with all kinds of soft contact lenses, including silicone hydrogel contacts, but not recommended for RGP lenses.

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Different types of contact lens solutions