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Blink tears preservative?

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  • Blink tears preservative?

    The blink tears that come in a bottle not the vials has a preservative in it. But it says its preservative free in the eye. Can anyone explain this?

  • #2
    Apparently some drops have a preserving agent which breaks down into naturally occurring substances when it makes contact with the eye. Maybe your eye drops contain this agent. The one in mine is OxyChlorite

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