OPT-1156 Ophthalmic Lens II Unit 2

Question 1

For the following Rx, determine the dissimilar segment solutions:
OD: -3.00 -2.00 180
OS: -2.75 -2.50 x 090 
Add +1.25 ou 
RL: 8mm

OD segment:

Answer 1

Executive

Question 2

Conventional Slab Off Prism is placed in the most _____ lens.

Answer 2

Minus

Question 3

Conventional slab off is available in progressive lenses.

Answer 3

True

Question 4

Conventional slab off is available in one-piece FT-28 bifocals.

Answer 4

True

Question 5

Reverse Slab Off Prism is base _____ prism.

Answer 5

Down

Question 6

For the following Rx, determine reverse slab off prism:

OD: -3.00 -2.00 180

OS: -2.75 -2.50 x 090
Add +1.25 ou
RL: 8mm

Reverse Slab Off Prism:

Answer 6

1.8 BD OS

Question 7

Conventional Slab Off Prism is base _____ prism.

Answer 7

Up

Question 8

Vertical imbalance compensation at near is required when there is a vertical imbalance of 1.00 diopter or less between two eyes.

Answer 8

False

Question 9

Vertical imbalance compensation at near is required when there is a vertical imbalance of 1.5 diopters or greater between two eyes.

Answer 9

True

Question 10

For the following Rx, determine the vertical imbalance:
OD: +3.50 -2.50 x 045
Add: +2.75
RL: 9mm
OS: +2.00 -2.00 x 150

Answer 10

1.575 prism diopters

Question 11

For the following Rx, determine the dissimilar segment solution:
OD: +3.50 -2.50 x 045 
Add: +2.75
RL: 9mm
OS: +2.00 -2.00 x 150

Answer 11

Round 22

Question 12

For the following Rx, determine the slab off prism:

OD: -3.00 -2.00 180

OS: -2.75 -2.50 x 090
Add +1.25 ou
RL: 8mm

Slab Off Prism:

Answer 12

1.8 BU OD

Question 13

Reverse Slab Off Prism is placed in the most ____ lens.

Answer 13

Plus

Question 14

Reverse slab off is available in fused FT-28 bifocals.

Answer 14

False

Question 15

A client has vertical imbalance of 2.00 BU OD. What should we do to compensate?

Answer 15

Reverse slab off 2.00 BD OD

Question 16

Reverse slab off is molded not ground.

Answer 16

True

Question 17

For the following Rx, determine the dissimilar segment solutions:
OD: -3.00 -2.00 180
OS: -2.75 -2.50 x 090 
Add +1.25 ou 
RL: 8mm
OS Segment:

Answer 17

Round 28

Question 18

A client has vertical imbalance of 2.5 BD OD. What should we do to compensate?

Answer 18

Slab off 2.5 BU OD