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ABO NOCE Basic Opticianry

Category - Instrumentation

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An ultrasonic cleaner is used to?

Spray on lenses to clean them
Clean patients' frames and lenses
Clean instruments

Explanation

Answer: B - An ultrasonic cleaner is used to clean patients' frames and lenses.

An ultrasonic cleaner can reach difficult areas of frames that regular cleaning cannot. In addition, it can remove smudges and oil build up from the lenses.

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