2. FRAME PARTS
&
MATERIALS
BY:

3. FRAME (OPHTHALMIC, SPECTACLE)
A device for holding ophthalmic lenses in the
proper position on the head, in front of the
eyes.

4. FRAME

5. OPHTHALMIC FRAME
A frame for prescription or corrective
lenses, intended for ordinary use, in
correcting or improving vision.
Such a frame is not intended for
occupational or safety use.

6. FRAMES

7. PARTS
OF
A
FRAME

8. PARTS OF A FRAME
• A frame typically consists of:
A front (it holds the lenses)
A Bridge
A pair of temples (ear pieces)
Nose pads

9. PARTS OF A FRAME

10. FRONT
• A component of an ophthalmic frame,
consisting of a bridge and eyewires.

11. BRIDGE
• The supportive structural member
connecting the two eye wires of an
ophthalmic frame.

12. BRIDGE

13. REGULAR BRIDGE

14. SADDLE BRIDGE

15. EYEWIRE GROOVE
• The recessed area of an eyewire, in
which the lens edge is seated, is called
eyewire groove.

16. EYEWIRES

17. HINGES
Part of the hardware of the frame
Hinges attach temples to frame front.

18. HINGES

19. SCREWS

20. NOSEPADS
Are available in variety of sizes.
In fixed and adjustable forms.

21. NOSEPADS

22. TEMPLES
Also known as ear pieces.
Fix the unit to the head.
Have many types.

23. TEMPLES

24. TEMPLE TYPES
Library Temples
Riding bow Temples
Spatula Temples
Cable Temples
Headband Temples

25. TEMPLE TYPES
Library Temples:
The style of temple that has almost no
bend over the ear, originally designed
for ease of removal.

26. LIBRARY TEMPLES

27. TEMPLE TYPES
Riding bow Temples:
 A style of temples, in which it bends
around the ear.
Useful for people, whose jobs are active,
or for small children.

28. RIDING BOW TEMPLES

29. TEMPLE TYPES
Spatula Temples
 Fit over the ear.
Can be fixed or adjustable.
Available in plastic and metal.

30. SPATULA TEMPLES

31. TEMPLE TYPES
Cable Temples
Fit over the ear.
Can be fixed or adjustable.
Available in plastic and metal

32. CABLE TEMPLES

33. TEMPLE TYPES
Headband Temples
Are easily adjustable for a secure fit.
Are useful for tasks requiring movement.

34. HEADBAND TEMPLES

35. FRAME RIMS
Full Rim
Semi rimless
Rimless

36. FULL RIM

37. SEMI RIMLESS

38. RIMLESS (THREE PIECE)

39. COMPARE

40. FRAME
MATERIALS

41. FRAME MATERIALS
☺Metal
☺Plastic
☺Tortoise shells
☺Wood
☺Combination (plastic and metal)

42. METAL FRAMES
Commonly used metals are:
۞Aluminum
۞Nickel silver
۞Titanium
۞Stainless Steel
۞Cobalt & Beryllium

43. ALUMINUM
Stain resistant
Durable
Light weight
Paintable
Strong & rigid
Heat conduction

44. ALUMINUM FRAME

45. NICKEL SILVER
60% Copper & 20% Nickel
No Silver
Rigid

46. NICKEL SILVER FRAME

47. TITANIUM
• Light weight
• Flexible
• Abberation resistant
• Passed the artificial sweat rust test
• Expensive & Colors are limited

48. TITANIUM FRAME

49. STAINLESS STEEL
Durable
Flexible
Strong
Non magnetic
Resistant to oxidation
Endless color range

50. STAINLESS STEEL FRAME

51. COBALT
Durable
Flexible
Light Weight
Many colors
Relatively Expensive

52. BERYLLIUM
Hard
Light Weight
Strong

53. PLASTIC FRAME MATERIALS
Cellulose Acetate
Cellulose Nitrate
Polymide (A nylon)
Acrylic (occasionally used)
Carbon fiber (added to frames to give strength and
light weight)

54. CELLULOSE ACETATE, ZYL
• Most commonly used
• Can be produced faster than other
plastic frames
• Is more colorfast.

55. Z
Y
L
F
R
A
M
E

56. CELLULOSE NITRATE
Tougher than Cellulose Acetate.
Thinner frames.
Harder surface, so easy to polish.
Easier to work on.
Better dimensional stability.

57. CELLULOSE NITRATE FRAMES

58. POLYMIDE (A NYLON)
Durable
Less weight
Flexible
Many colors and designs

59. NYLON FRAME

60. PROPERTIES OF PLASTIC FRAME
MATERIALS
Dimensional Stability
Colorfastness
Mechanical durability
Good thermal – electrical insulation
High resistance to chemicals
Ease of production

61. TORTOISE SHELL FRAMES

62. WOODEN FRAMES

63. COMBINATION FRAME