OPT-1156 Ophthalmic Lens II Unit 2 Flashcards
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:
Executive
Conventional Slab Off Prism is placed in the most _____ lens.
Minus
Conventional slab off is available in progressive lenses.
True
Conventional slab off is available in one-piece FT-28 bifocals.
True
Reverse Slab Off Prism is base _____ prism.
Down
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:
1.8 BD OS
Conventional Slab Off Prism is base _____ prism.
Up
Vertical imbalance compensation at near is required when there is a vertical imbalance of 1.00 diopter or less between two eyes.
False
Vertical imbalance compensation at near is required when there is a vertical imbalance of 1.5 diopters or greater between two eyes.
True
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
1.575 prism diopters
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
Round 22
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:
1.8 BU OD
Reverse Slab Off Prism is placed in the most ____ lens.
Plus
Reverse slab off is available in fused FT-28 bifocals.
False
A client has vertical imbalance of 2.00 BU OD. What should we do to compensate?
Reverse slab off 2.00 BD OD
Reverse slab off is molded not ground.
True
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:
Round 28
A client has vertical imbalance of 2.5 BD OD. What should we do to compensate?
Slab off 2.5 BU OD
