Across
- 3. If the FPD s smaller than the PPD we decenter the lens ____
- 7. Refers to the conversion of prescription from plus cylinder to minus cylinder form
Down
- 1. Greater the amount of decentration in a minus lens, ____ the lens edge
- 2. ____ inset is how far the segment has to be decentered in the frame, so it's properly placed for the wearer
- 4. Refers to the amount and direction in which the optical center of the lens needs to be moved to be in front of the patient's eye when in the frame
- 5. ____ decentration helps us determine where the segment will be placed compared to the datum line of a frame
- 6. The smallest lens blank that can be used to cut the lens shape
- 8. ___ inset is the difference between the patient's distance and near pupillary distance