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Optics 3 > Frame Terminology > Flashcards

Frame Terminology Flashcards

1
Q

Frame

A

Portion of the spectacles that holds the lens

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2
Q

Contains the lens

A

Front

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3
Q

Attach the front and hook over the ears to hold the spectacles in place

A

temples

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4
Q

frames without temples

A

Pince-nez
clip ons
Lorgnettes

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5
Q

Parts of the Front

A

Bridge
Eyewire (Rim)
Endpiece

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6
Q

area between the lenses that rests on the nose

A

Bridge

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7
Q

Rim going around the lenses

A

Eyewire (Rim)

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8
Q

outer areas were frame attaches

A

endpiece

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9
Q

Hold temples to the front

A

hinges

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10
Q

can be plastic or silicone pieces that rest on the nose

A

nose pads

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11
Q

part of the temple closests to the front

A

butt portion

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12
Q

area where temple firsts bends down over the ear

A

bend

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13
Q

area between butt end and bend

A

Shank or Shaft

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14
Q

best tyoe of materials for rimless frame mounting

A

1) trivex (triology 153)

2) polycarbonate

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15
Q
A

nylon cord frame

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16
Q

often used as readers

A

half eye

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17
Q
A

rimless frame mounting

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18
Q
A

semirimless frame mounting

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19
Q

only attached nasally

A

numont mounting

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20
Q
A

saddle bridge

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21
Q
A

modified saddle

22
Q
A

keyhole bridge

23
Q

very uncomfortable

A

metal saddle bridge

24
Q

most common temple construction

A

Skull Temple

25
Q

thermoplastic

A

bends when heated and retains bent shape (no plastic memory)

26
Q

thermoplastic
becomes brittle with age
may cause allergies
higher quality coated to seal surface and contain a UV inhibitor to prevent color fading
when left uncoated, plastic may absorb allergic substances

A

Cellulose Acetate

27
Q

most common plastic used for frames

A

cellulose acetate

28
Q

better for injection molding than cellulose acetate
less color stability
25% lighter than cellulose acetate

A

propionate

29
Q

epoxy resin
thermoelastic
30% lighter than cellulose acetate
might be an option for patients allergic to other plastic materials

30
Q

bends when heated and returns to its original shape when reheated (plastic memory)

A

Thermoelastic

31
Q

high flexibility but looses flexibility unless periodically soaked in water overnight
over time becomes brittle
now being used combined with other materials for added strength and stability

32
Q 
nylon based materials 
strong 
72% lighter than cellulose acetate 
hypoallergenic 
super light
A

polyamide/ copolyamide

33
Q

nylon based
used for sports and performance type eyewear
wide variety of color possibilities
has been combined in frame w titanium to create a strong comfortable frame

34
Q

strong
not adjustable used mainly for frame fronts
40% lighter than cellulose
limited color options

A

carbon fiber

35
Q

primarily for sports and safety eyewear
high impact resistance
resistant to adjustment

A

polycarbonate

36
Q

mixed with nylon
strong
lightweight
difficult to adjust

37
Q

mainly used in sports eyewear and sunglasses

not adjustable

38
Q

advantages: strong, malleable, resists corrosion
disadvantages: 10% of pop may be allergic

A

pure nickel

39
Q

german silver

contains no silver; 50% copper, 25% nickel, 25% zinc

A

nickel silvers

40
Q

63-70% nickel, copper, and iron

advantages: resists corrosion and accepts high polish

A

monel metal

41
Q

advantages: strong lightweight
disadvantages: does not solder or weld well. no flexibility (if it bends it will stay that way)

42
Q

highly resistant to corrosion
strong
hypoallergenic

A

stainless steel

43
Q 
advantages: 
lightweight 
strong 
corrosion resistant 
hypoallergenic 
disadvantages:
hard to weld 
expensive because of manufacturing process
44
Q

100%-90% w no nickel

A

titanium frames

45
Q

70% with no nickel

A

beta titanium frames

46
Q

SMA 40-50% titanium, rest is nickel

extremely flexible and returns to its original shape after being flexed or twisted

A

combination titanium

47
Q 
metal alloy made from copper and tin 
advantages 
takes color well 
corrosion resistant 
lightweight
48
Q

lighter in weight than titanium

49
Q

Fx9 - copper, magnesium, tin, aluminum

A

hypoallergenic
lightweight
malleable

50
Q

genium - carbon, manganese, silicon, chrome, steel

A 
hypoallergenic 
strong 
lightweight 
flexible 
durable

Optics 3 (2 decks)

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