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Ophth. Optics II > Frame Materials > Flashcards

Frame Materials Flashcards

1
Q

pros of this metal include flexibility ( can return to original shape after being damaged); hypoallergenic, lightweight, strong, and corrosion resistant

A

flexon

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2
Q

this type of plastic has diff characteristics such as hypoallergenic and lightweight ; its not strong and not flexible

A

zyl

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3
Q

this is a relatively new material with myriad of uses; silver gray metal; high quality, value added frame product

A

titanium

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4
Q

pros of this type of plastic include wide variety of shapes and colors; very lightweight; great shape and adjustment retention ; hypo allergenic; heat resistant; resistant to most solvents

A

optyl

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5
Q

What are some diff types of metal

A

Al, monel, titanium, flexon, beryllium, stainless steel

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6
Q

cons of this metal include not available in a variety of colors

A

flexon

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7
Q

cons of zyl include :durable but becomes brittle with age, can lose surface luster with age, certain colors can fade; sensitive to solvents; heavier than plastic frame material

A

zyl

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8
Q

pros of this type of plastic include reasonable variety of colors; durably and color fast; less surface dulling; good flexibility; lightweight and hypoallergenic

A

propionate

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9
Q

this is the most widely used material/ alloy in manufacture of metal eyeglass frames; nickel is the largest component

A

monel

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10
Q

pros of this metal : great strength and durability.; 40 % lighter than other metals; excellent surface hardness; impervious to corrosion ; hypoallergenic ; comes in variety of colors

A

titanium

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11
Q

this type of plastic is hypoallergenic, lightweight, and flexible. Not strong

A

propionate

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12
Q

this type of metal has early departure from traditional gold filled frames; been surpassed by more modern materials; used on limited basis; lightweight, strong, and corrosion resistant

A

Aluminum

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13
Q

cons of this metal include the cost ; subtle frame adjustments can be hard to make ; not hypoallergenic

A

beryllium

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14
Q

what are some other metal materials

A

bronze, cobalt, copper, Magnesium, Nickel, Nickel Silver, Palladium, Phosphorus Bronze, Ruthenium, Trilliam

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15
Q

cons of this type of plastic include difficult to dye; heat sensitive; not well suited to stretching or shrinking ; sensitive to solvents ( alcohol, acetone, etc)

A

propionate

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16
Q

what are most nose pads made of

A

acetate, vinyl, silicone, hypoallergenic

17
Q

this metal has flexible and is corrosion resistant

A

monel metal

18
Q

What are the main materials frames are made from

A

plastic and metal

19
Q

this metal resists corrosion and tarnish ; resists corrosion and tarnish > excellent choice for pts with high skin acidity or who spend time in /around salt water; very flexible; available in several colors

A

beryllium

20
Q

What are some frame accents

A

silver, gold, leather, velvet, semi precious stones, precious stones, rhinestone, feathers

21
Q

What are some other frame materials

A

wood, bone, buffalo horn

22
Q

type of plastic most popular material for plastic frames; made out of cellulose acetate ; thermoplastic

A

zyl

23
Q

cons of this metal include: expensive, not flexible; requires special welding equipment in frame fabrication

A

titanium

24
Q

this type of plastic is made from epoxy resin; they are thermoelastic

A

Optyl

25
Q

what type of metal has these pros: lightweight, strong, and corrosion resistant; low density; long lasting; can come in several colors

A

aluminum

26
Q

this is a steel gray metal; increased popularity as a lower cost alternative to titanium eyewear

A

beryllium

27
Q

advantages of this type of plastic include cost effective; wide variety of colors; fast/stable; can be worked easily; allows some margin for sizing errors; reasonably lightweight; and hypoallergenic

A

zyl

28
Q

what type of metal has these cons: difficult to achieve good lens fit without gapping; difficult to adjust ; complication manufacturing ; poor color finish ; not hypoallergenic

A

aluminum

29
Q

these are coatings often used to seal the surface; it contains UV inhibitor ( keeps from fading)

A

frame coatings

30
Q

this is aka zyl, propionate, optyl, and other plastic materials

A

plastic frame

31
Q

cons of this metal include difficult adjustments and do not hold due to spring nature

A

stainless steels

32
Q

cons of this metal include : may be difficult to shape or reshape during dispensing; medium corrosion resistance; not hypoallergenic, lightweight, or strong compared to other metals

A

monel

33
Q

cons of this type of plastic: difficult to adjust, requires more heat to to work ; will not shrink

A

optyl

34
Q

this metal is an alloy of steel and chromium; lightweight and strong; will not react with skin; excellent corrosion resistance; resistant to abrasion and heat

A

stainless steel

35
Q

pros of this metal are cost effective and efficient ; can be really malleable /flexible and has good resistance to stress; accommodates well to eyewire curves; corrosion resistant with proper plating/coating

A

monel

36
Q

this metal is a titanium based alloy; proprietary to the eyewear manufacturer Marchon; aka memory metal, smart metal, smart alloy

A

flexon

37
Q

pros of this lens: lightweight, strong, flexible, and corrosion resistant

A

beryllium

38
Q

this type of plastic is cellulose acetyl- propionate ; nylon based

A

propionate

Ophth. Optics II (7 decks)

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