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Ophthalmic Assistant

Category - Medical Equipment

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Which of the following should not be used when cleaning a refractor’s lenses?

Alcohol
Ether
Ammonia-containing cleaner
Lint-free cloth

Explanation

Answer: C - Ammonia-containing cleaner

Ammonia or ammonia-containing cleaners should never be used to clean a refractor’s lenses. Ammonia will corrode the lens coating. Instead, a lint-free cloth, slightly moistened with alcohol or ether, will do. The lenses can be dried with a tissue.

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