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Optical Dispensing Lab Fall 2022 Test 1 Chapter 2 Questions
Optical
17
Other
Not Applicable
10/30/2022

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Cards

Term
TRUE OR FALSE: In the boxing system, the effective diameter is the diagonal of the box
Definition
FALSE
Term
TRUE OR FALSE: The frame difference for a frame with a circular lens shape is always zero
Definition
TRUE
Term
A = 51
B = 47
C = 49.5
DBL = 19
Seg Drop (Distance below the horizontal midline) = 4mm

What is the seg height
Definition
A: 19.5mm
Term
The larger the frame difference, the __________ the lens shape
Definition
C: narrower
Term
If a frame's dimensions are

A = 50

C = 48

with a frame difference of 8, what is B
Definition
E: 42mm
Term
A frame is marked 52[]18. The lens shape is round. What is the effective diameter of the lens
Definition
D: 52mm
Term
What is the geometric center distance of a frame marked 52[]17
Definition
C: 69
Term
What gold classification(s) has/have no minimum requirement as to the total amount of gold used
Definition
D, E

gold plated

gold flash
Term
The color of a frame with gold in it depends on:
Definition
C: the kind of metal used to make the alloy
Term
An article made out of a metal other than gold and then covered with a gold alloy may be:
Definition
B, E

gold filled

gold flash
Term
What is the name used for an article that has no metal in it other than chemically pure gold
Definition
A: fine gold
Term
A frame marked 1/10 12k GF
Definition
C: has a 10k solid gold bridge
Term
A
Definition
D: eye size
Term
B
Definition
B: vertical boxing dimension
Term
ED
Definition
A: 2 x (longest radius)
Term
GCD
Definition
C: A + DBL
Term
Safety frames must be marked with
Definition
E: The manufacturer's name and "Z87" or "Z87-2" on both of the temples and the frame front
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