Normal saline solution, e.g. Opticare Saline, Klean & Kare & etc, can be bought off the shelves from optical shops or pharmacies.

Do you really know the usage of normal saline?

Normal saline is a sterile isotonic sodium chloride solution. The main advantage is it is non-irritating to the tissue. Thus, recommended to use it to rinse through the contact lens before wearing it.

It is a non-preservatives solution. Thus, the solution has to be discard after 2 weeks of opening, as it easily get contaminated. Do not use normal saline to soak contact lens. Normal saline solution do not have disinfection nor cleaning function.

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