Why Contact Lens Rewetting Eye Drops Prefer Preservative Free?!


Question: Why Contact Lens Rewetting Eye Drops Prefer Preservative Free?
Some contact lens rewetting eye drops emphasize preservative-free. What is the problems with preservative to the eyes?

Most multi purpose contact lens solutions have preservatives. Some without preservatives suggest you don't store contact lens over 48 hours. What is the benefit of preservatives?

Answers:

Best Answer - Chosen by Voters

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