You should discard unused portions of a single use vial. Once opened, contamination is possible. You can find Systane in a multi-use bottle or a similar product Refresh , in an even larger multiuse bottle. Multi-use bottles have screw-on caps that can be used to keep the material free from contamination.
Answered 5/19/2023
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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