Ophthalmic Frames EXAM PREP WITH
COMPLETE SOLUTION
What are the types of plastic bridges? What is their unique characteristic? - =Saddle bridge
(weight is distributed over the sides and crest of the nose), Modified saddle bridge (has
nosepad to carry more of frame weight),Keyhole bridge (bridge rests on the side of the nose
and not the crest)
What are the types of metal bridges? What is their unique characteristic? - =Nose pad bridge
(pads support weight of glasses), Comfort Bridge ( clear plastic saddle that is screwed or
snapped into metal frame), Metal saddle bridge (no nose pad or comfort bridge)
Where do the temples attach to the frame front? - =End piece
What are the different styles of temples? What are their characteristics? - =Skull (Countour the
skull and most common. Bent down protion is narrower at top and wider at the end), Library
(goes straight back and stays on head with pressure. Popular style for readers), Comfort cable (
wraps entirely around ear and found in some safety glasses/shooters)
Which type of templte is most versatile? Why? - =Convertible, because it can switch between
skull and library
What typoe of temple is often seen with children glasses? What is it made of? - =Riding bow
temple, made of plastic
What is the purpose of spring hinge temples? - =Has NOTHING to do with imrpoving fit of fram,
rather it allows for frame to stay in adjustment longer
What are the advantages and disadvantages of Zyl? - =Adv: Light, colorful, strong, adjustable,
moldable / Disadv: Lose shape from high heat, discolors, dry out
COMPLETE SOLUTION
What are the types of plastic bridges? What is their unique characteristic? - =Saddle bridge
(weight is distributed over the sides and crest of the nose), Modified saddle bridge (has
nosepad to carry more of frame weight),Keyhole bridge (bridge rests on the side of the nose
and not the crest)
What are the types of metal bridges? What is their unique characteristic? - =Nose pad bridge
(pads support weight of glasses), Comfort Bridge ( clear plastic saddle that is screwed or
snapped into metal frame), Metal saddle bridge (no nose pad or comfort bridge)
Where do the temples attach to the frame front? - =End piece
What are the different styles of temples? What are their characteristics? - =Skull (Countour the
skull and most common. Bent down protion is narrower at top and wider at the end), Library
(goes straight back and stays on head with pressure. Popular style for readers), Comfort cable (
wraps entirely around ear and found in some safety glasses/shooters)
Which type of templte is most versatile? Why? - =Convertible, because it can switch between
skull and library
What typoe of temple is often seen with children glasses? What is it made of? - =Riding bow
temple, made of plastic
What is the purpose of spring hinge temples? - =Has NOTHING to do with imrpoving fit of fram,
rather it allows for frame to stay in adjustment longer
What are the advantages and disadvantages of Zyl? - =Adv: Light, colorful, strong, adjustable,
moldable / Disadv: Lose shape from high heat, discolors, dry out
