Shared Flashcard Set

Details

Optical Lab Finals 2022
Optical Lab Finals 2022
35
Other
Not Applicable
05/04/2022

Additional Other Flashcards

 


 

Cards

Term
What frame material is currently the MOST used in the family of plastics?
Definition
Cellulose Acetate
Term
What ae two of the frame materials that are used primarily for safety and sport frames?
Definition
Nylon and Polycarbonate
Term
Which frame material needs to be hydrated on a monthly basis?
Definition
Nylon
Term
Which frame material, in the plastic family, is said to have a memory factor and is lighter in weight than zyl?
Definition
Optyl
Term
For which type of frame material will you never see a clear bridge design?
Definition
Carbon fiber Graphite (CFG)
Term
Which metallic frame material is derived from a rare earth element, is hypoallergenic and corrosion resistant?
Definition
Titanium
Term
What are the ingredients in a frame said to be constructed of "MONEL"
Definition
2/3 Nickel

1/3 Copper
Term
What is the name of the pliers first invented to hold and brace rimless mountings?
Definition
Neumont
Term
What is the tool used to remove chips from around the hole drilled in a rimless lens?
Definition
Chamfer
Term
Which pliers is best to utilize when adjusting a European nose pad?
Definition
European Nose Pad pliers
Term
Which pliers is designed to be used primarily as a holding/bracing plier for metal frames?
Definition
Parallel Jaw Pliers
Term
What tool do you use to re-thread a screw hold after drilling out a broken screw?
Definition
TAP
Term
Which file is best used to increase the let-back angle on a zylonite frame?
Definition
Zyl File
Term
How long are we required to keep the original RX on premises?
Definition
6 Years
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
Definition
Date

Name

Doctor Signature
Term
What are three areas on a spectacle record that require the initials of the person performing the function?
Definition
Markup

Layout

Verification
Term
Where are adjustment screws which control wheel differential located?
Definition
At the pattern plate
Term
What instrument is invaluable in checking the calibration of a lensometer in a variety of areas
Definition
Gauge Master
Term
How do you check the edger size in detail?
Definition
Set edger to 36.5 cut full cycle finished lens should match pattern
Term
If a vertometer zero's accurately, but is found to be off at higher powers, what is the likely cause?
Definition
Vertex distance of lens stop
Term
What is an easy method of simply checking a layout blocker for accuracy
Definition
Draw 180 + 90 line put chuck on center
Term
What are the numbers for the FDA drop ball test?

What kind of steel ball?

Weight?

Height?
Definition
5/8 inch steel ball

.56 ounce weight

50 inch height
Term
What is the point on a hand made pattern around which it always rotates?
Definition
Boxing center or Mechanical center
Term
What is the maximum amount a PD can be off according to NJ state tolerances. regardless of RX strength?
Definition
4mm
Term
To realign the axis on the project o marker, you must adjust the screws which are located?
Definition
Left + Right side
Term
What is the definition of wheel differential?
Definition
Diff. between rough cut + finished edge
Term
When checking an edger for axis alignment, it is best to use a pattern that is?
Definition
Hexagonal. Maybe even square but nothing round
Term
How does a dressing stick improve the cutting action of a diamond wheel?
Definition
Cleans dirt/debris and knocks loose diamonds
Term
What is the normal range for pantoscopic tilt?
Definition
8-12

OR 12-15

Either
Term
Why do we peen screws and which screws on a frame do we peen?
Definition
Keep from falling

Only temple screws mostly
Term
What is the purpose of the numont pliers?
Definition
Bracing pliers
Term
What is the fancy name opticians call a cutting plier?
Definition
Chappel
Term
What one tool is ideal for working on hinges, temples, shields, frame fronts and screws?
Definition
Staking tool
Term
What plier would you use to adjust the size of a rimless strap?
Definition
Strapping Pliers
Term
According to NJ how many degrees can the axis be off?
Definition
1 Degree
Supporting users have an ad free experience!