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  • What are the disadvantages of lipid-based artificial tears?


    Question:

    What are the disadvantages of lipid-based artificial tears?


    Answer:

    Lipid-based tears are becoming more popular as a way to supplement the oil-based layer of the eye’s natural tear film. They are usually made as an emulsion, which means that the components can settle out over time if they have been kept on a shelf for a while. You can shake the bottles before using to make sure they are well-mixed.  They also tend to have a whitish or milky consistency, which means that they are usually not approved for use with contact lenses as temporary blurring of vision can occur after using.

    There are also very few formulations of lipid-based tears that are preservative-free. Preservative-free drops are recommended if someone is using drops four or more times per day to limit preservative exposure. Discuss with your ophthalmologist about the right artificial tear drop for you.


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