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VS 203A: Optics > Lab #2 > Flashcards

Flashcards in Lab #2 Deck (104)
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1

What is the Frame Front?

The entire frame minus the temples

2

Plastic bridges are classified as:

- Keyhole
- Saddle
- Modified Keyhole

3

Metal bridges are classified as:

- Adjustable
- Form Fit
- Uni-fit
- Strap Bridge

4

Guard / Pad Arms are associated with

Metal frames

5

Guard Arms are classified as

- Foreign
- Domestic / Gooseneck

6

Foreign guard arms are limited to

2-plane adjustments

7

The primary intent of the guard arms is to

Support nose pads

8

The nose pads should slightly

Pivot or rock on the joint between the guard arm and nose pad

9

Currently most frames requiring nose pads have which styles?

- B+L
- Shuron Style

10

Designs of nose pads were originally identified as:

- AO (American Optical)
- B+L (Bausch and Lomb)
- Shuron Pads

11

Which nose pads are no longer made?

AO (American Optical)

12

Nose pads are made of

- Plastic Acetate
- Silicone

13

Which nose pad material is considered hypoallergenic?

Silicone

14

What kind of nosepads do metal frames have?

Form-fitting

15

What is the End Piece?

Area that connects frame front to the temples

16

What kind of End Piece do most plastic frames have?

The hidden hinge end-piece design

17

Where is the hinge in the hidden hinge end-piece design?

It is embedded into the frame front

18

End piece construction typically consists of which designs?

- Miter
- Butt
- Wrap-around

19

The Miter end piece has the front and the temple meeting at

A 45˚ angle

20

The Butt end piece has the front and the temple meeting at

A 90˚ angle

21

The Wrap Around end piece has

The front bending around and attached to the temple

22

With most metal frames, the end piece design can be

- Mono-block
- Wrap-Around

23

The part of the temple towards the end piece is called

The Butt

24

There are many temple styles; the most common is

The Skull temple

25

What are other temple styles?

- Library
- Wrap-Around
- Comfort Cable
- Riding Bow
- Straight Back

26

With complete zyl (plastic) frames the entire temple is made of

The same material as the frame front

27

Describe Plastic Temples:

A thin metal runs through the core of the entire temple.

28

For some of the older Optyl and propionates, the metal in the temple runs from

The temple butt to about 3/4 to 1 inch into the temple

29

The newer Optyl frames temples have

Metal running throughout the entire temples

30

List frame materials:

- Cellulose Acetate / Zyl
- Optyl
- Cellulose Propionate
- Nylon
- Polyamide
- Carbon Fiber
- Polycarbonate
- Rubber
- Metals
- Wood
- Bone