Shopko Optician Certification Practice Test

Contact lenses can be stored in water for a short period of time. True or False?

True False Only with saline Only for rigid lenses

Correct Answer:

False

Explanation:

Storing contact lenses in water is unsafe because water is not a disinfectant and can harbor microbes. Soft and rigid lenses can absorb water, causing swelling or distortion that alters fit and comfort. If lenses sit in water, any present microorganisms—bacteria, protozoa, etc.—can reach the eye and increase the risk of serious infections such as keratitis. Approved lens solutions provide disinfection and proper cleaning, while water does not. So the statement is false, since lenses should never be stored in water.

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