Log 3 - Cleaning Frames and Lenses Flashcards

1
Q

Why should cosmetics be removed immediately from a frame

A

Can discolor the plastic and ruin the finish on the frame

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2
Q

What is the best method for removing oil and dirt that has accumulated in the grooves of spectacle rims

A

Ultrasonic cleaning

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3
Q

Why must you never use methyl hydrate or acetone on frames

A

These two liquids will ruin the finish of the frame and will produce a white film that is difficult to remove and cosmetically objectionable. Acetone can dissolve a plastic frame

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