Quiz 2 Flashcards
Vertical imbalance compensation at near is required when there is a vertical imbalance of 1.00 diopter or less between two eyes.
a. True
b. False
b. False
Vertical imbalance compensation at near is required when there is a vertical imbalance of 1.5 diopters or greater between two eyes.
a. True
b. False
a. True
Conventional Slab Off Prism is base ____ prism.
a. Up
b. Down
c. In
d. Out
a. Up
Conventional Slab Off Prism is placed in the most _____ lens.
a. Plus
b. Minus
c. Cylindrical
d. Oblique
b. Minus
Reverse Slab Off Prism is base _____ prism.
a. Up
b. Down
c. In
d. Out
b. Down
Reverse Slab Off Prism is placed in the most _____ lens.
a. Plus
b. Minus
c. Cylindrical
d. Oblique
a. Plus
Reverse slab off is available in fused FT-28 bifocals
a. True
b. False
b. False
Conventional slab off is available in one-piece FT-28 bifocals.
a. True
b. False
a. True
Conventional slab off is available in progressive lenses.
a. True
b. False
a. True
Reverse slab off is molded not ground.
a. True
b. False
a. True
A client has vertical imbalance of 2.5 BD OD. What should we do to compensate?
a. Reverse Slab 2.5 BD OD
b. Slab Off 2.5 Bu OS
c. Reverse Slab 2.5 BD OU
d. Slab Off 2.5 BU OD
d. Slab Off 2.5 BU OD
A client has vertical imbalance of 2.00 BU OD. What should we do to compensate?
a. Slab Off 2.00 BU OD
b. Reverse Slab Off 2.00 BD OS
c. Reverse Slab Off 2.00 BD OD
d. Slab Off 2.00 BI OD
c. Reverse Slab Off 2.00 BD OD
For the following Rx, determine the vertical imbalance: OD +3.50 -2.50 x045 OS +2.00 -2.00 x150 Add +2.75 RL: 9mm
a. 1.75 prism diopters
b. 2.27 prism diopters
c. 1.626 prism diopters
d. 1.575 prism diopters
d. 1.575 prism diopters
For the following Rx, determine the dissimilar segment solution:
OD +3.50 -2.50 x045
OS +2.00 -2.00 x150
Add +2.75
RL: 9mm
Determine the segment required for the OD:
Hint: The answer is B… see if you got the same! :)
a. Ft 25
b. Round 22
c. Executive
d. Ultex
b. Round 22
For the following Rx, determine the dissimilar segment solution:
OD +3.50 -2.50 x045
OS +2.00 -2.00 x150
Add +2.75
RL 9mm
Determine the Segment required for the OS:
Hint: The answer is A… see if you got the same! :)
a. FT 25
b. Round 22
c. Executive
d. Ultex
a. FT 25
For the following Rx, determine the Slab Off Prism:
OD -3.00 -2.00 x180
OS -2.75 -2.50 x090
Add +1.25 OU
RL 8mm
a. 2.25 BU OD
b. 2.25 BD OD
c. 1.8 BU OD
d. 1.8 BD OS
c. 1.8 BU OD
For the following Rx, determine reverse slab off prism:
OD -3.00 -2.00 x180
OS -2.75 -2.50 x090
Add +1.25 OU
RL 8mm
Reverse Slab Off Prism:
a. 2.25 BD OD
b. 2.25 BD OS
c. 1.8 BU OD
d. 1.8 BD OS
d. 1.8 BD OS
For the following Rx, determine the dissimilar segment solutions:
OD -3.00 -2.00 x180
OS -2.75 -2.50 x090
Add +1.25 OU
RL 8mm
OD segment:
Hint: The answer is A… see if you got the same! :)
a. Executive
b. Round 28
c. Ultex
d. Round 22
a. Executive
For the following Rx, determine the dissimilar segment solutions:
OD -3.00 -2.00 x180
OS -2.75 -2.50 x090
Add +1.25 OU
RL 8mm
OS segment:
a. Executive
b. Round 22
c. Round 28
d. FT 25
c. Round 28
Ribbon Segments are rarely, if ever used in America, as they are very small segments, and made of glass.
Hint: The answer is true! Is that what you guessed? :)
a. True
b. False
a. True
