Progressive lenses might be used for children with which condition? –answer Accommodative Esotropia
What is the point of reference located 2-4mm above the PRP on a PAL? - answer Fitting cross
When measuring for PALs, where should the fitting cross be placed? - answer Directly centered in the
pupil
Which characteristic would indicate a hard design lens? - answer Unwanted cylinder may rapidly
increase
With free-form lens generating technology, lenses are now made with what? answer - Progressive power
on both the front and back
What were the new Free-Form manufacturing machines called? answer - CNC
When is vertical prism acceptable? answer - If equal amounts are in both lenses
What is the problem when a wearer has to tilt their head back to read? answer - Heights are too low
What step occurs last during the fabrication process? answer - Edging
If there is no prescribed prism in the RX, all of the points are the same except one. Which one is not the
same? answer - NRP
Where is horizontal and vertical prism verified on a PAL? answer - PRP
What is the DBC for a frame with the following dimensions: A=47 B=39 DBL=20 ED=48 - 67mm
What is an example of external ocular health issue? answer - Blepharitis
, What type of lenses would you most recommend for computer use? - answer Trifocal
What type of multifocal has a flat top segment in the lower and upper portion of the lens? answer -
Double-D
When a dispenser does not verify the material received it would be an example of what? answer -
Negligence
What does the word vocation describe? answer - An occupation someone is drawn to
Customized design free-form digital lens is based on what characteristic? answer - Prescription
Viewing habits
P.O.W. measurements
What has compromised our industry for many years? answer - Cosmetic Consideration
Machinery limitations
Inventory concern
What type of frame should you chose for a child? answer - Quality spring temples
What is NOT a part of teaching children compliance with wearing and caring of their eyeglasses? answer
- When resting eyeglasses on the table, they may place them face down
What two measurements should always be taken when dispensing to children? answer - Monocular PD
and OC height
What is NOT a modification that can be done to metal bridges? answer - Removing the pads entirely
What is Fresnel Prism especially used for? answer - High amounts of prism
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