Characteristics Flat Or Loose Fit Flashcards
1
Q
Some lenses that r loose or flat
A
May ride high usually in minus lens because of edge thickness
2
Q
Correction for loose or flat
A
Switch to a large diameter or steeper b.c. or combination of both
3
Q
Correction for steep or tight lens
A
Switch to a smaller or flatter b.c. or combination of both
4
Q
If a high minus is riding too high or edge of lens is too thick
A
Hyperflange would be the correction
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