Why You Should NEVER Use Expired Contact Solution | 合法醫療器材資訊網

2015年12月9日—WhatDoestheExpirationDateMean?CompaniesdetermineexpirationdatesbasedontestsperformedbytheFDA.Ifacontactsolutionhasbeen ...

Because you use your contact lenses without being overseen by a medical professional, the US Food and Drug Administration (FDA) regulates them as medical devices. This ensures that contacts are used safely and effectively (Medscape[1]). One part of this regulation requires companies to include expiration dates on contact solution bottles.

What Does the Expiration Date Mean?

Companies determine expiration dates based on tests performed by the FDA. If a contact solution has been tested and approved as effective for 2 years, the expiration date with be no later than 2 years in the future. Being “effective” means that the solution will maintain a stable pH (acidity) and not “go bad” by becoming acidic or alkaline (basic) – just like how food or wine goes bad (fda.gov[2]). Exposure to the sun or heat can also speed the breakdown of solution.

What’s Wrong with Expired Solution?

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Questions about renu® contact solution? Read our FAQs | 合法醫療器材資訊網

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Why You Should NEVER Use Expired Contact Solution | 合法醫療器材資訊網

2015年12月9日 — What Does the Expiration Date Mean? Companies determine expiration dates based on tests performed by the FDA. If a contact solution has been ... Read More

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Questions about renu® contact solution? Read our FAQs | 合法醫療器材資訊網

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