Characteristics Flat Or Loose Fit Flashcards

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1
Q

Some lenses that r loose or flat

A

May ride high usually in minus lens because of edge thickness

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2
Q

Correction for loose or flat

A

Switch to a large diameter or steeper b.c. or combination of both

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3
Q

Correction for steep or tight lens

A

Switch to a smaller or flatter b.c. or combination of both

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4
Q

If a high minus is riding too high or edge of lens is too thick

A

Hyperflange would be the correction

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5
Q

If a high plus is riding too low a minus carrier can help pull the lens under the upper lid

A

Myoflange would be the correction

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