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What frame material is currently the MOST used in the family of plastics? |
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What ae two of the frame materials that are used primarily for safety and sport frames? |
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Which frame material needs to be hydrated on a monthly basis? |
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Which frame material, in the plastic family, is said to have a memory factor and is lighter in weight than zyl? |
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For which type of frame material will you never see a clear bridge design? |
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Definition
Carbon fiber Graphite (CFG) |
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Term
Which metallic frame material is derived from a rare earth element, is hypoallergenic and corrosion resistant? |
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Definition
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What are the ingredients in a frame said to be constructed of "MONEL" |
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Term
What is the name of the pliers first invented to hold and brace rimless mountings? |
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What is the tool used to remove chips from around the hole drilled in a rimless lens? |
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Which pliers is best to utilize when adjusting a European nose pad? |
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Which pliers is designed to be used primarily as a holding/bracing plier for metal frames? |
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What tool do you use to re-thread a screw hold after drilling out a broken screw? |
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Which file is best used to increase the let-back angle on a zylonite frame? |
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Term
How long are we required to keep the original RX on premises? |
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Definition
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Term
What are 3 specific items which need to on the original RX in order to make it valid prior to our filling the prescription |
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Definition
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Term
What are three areas on a spectacle record that require the initials of the person performing the function? |
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Definition
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Term
Where are adjustment screws which control wheel differential located? |
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Term
What instrument is invaluable in checking the calibration of a lensometer in a variety of areas |
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Definition
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Term
How do you check the edger size in detail? |
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Definition
Set edger to 36.5 cut full cycle finished lens should match pattern |
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Term
If a vertometer zero's accurately, but is found to be off at higher powers, what is the likely cause? |
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Definition
Vertex distance of lens stop |
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Term
What is an easy method of simply checking a layout blocker for accuracy |
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Definition
Draw 180 + 90 line put chuck on center |
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Term
What are the numbers for the FDA drop ball test?
What kind of steel ball?
Weight?
Height? |
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Definition
5/8 inch steel ball
.56 ounce weight
50 inch height |
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Term
What is the point on a hand made pattern around which it always rotates? |
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Definition
Boxing center or Mechanical center |
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Term
What is the maximum amount a PD can be off according to NJ state tolerances. regardless of RX strength? |
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Definition
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Term
To realign the axis on the project o marker, you must adjust the screws which are located? |
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Definition
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What is the definition of wheel differential? |
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Definition
Diff. between rough cut + finished edge |
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Term
When checking an edger for axis alignment, it is best to use a pattern that is? |
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Definition
Hexagonal. Maybe even square but nothing round |
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Term
How does a dressing stick improve the cutting action of a diamond wheel? |
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Definition
Cleans dirt/debris and knocks loose diamonds |
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Term
What is the normal range for pantoscopic tilt? |
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Definition
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Term
Why do we peen screws and which screws on a frame do we peen? |
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Definition
Keep from falling
Only temple screws mostly |
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Term
What is the purpose of the numont pliers? |
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Definition
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Term
What is the fancy name opticians call a cutting plier? |
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Definition
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Term
What one tool is ideal for working on hinges, temples, shields, frame fronts and screws? |
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Definition
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Term
What plier would you use to adjust the size of a rimless strap? |
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Definition
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Term
According to NJ how many degrees can the axis be off? |
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