Hybrid Lenses, Synergyes (M2)

Question 1

What are the benefits of hybrid lenses?

Answer 1

1. clear GP vision

2. soft lens comfort

Question 2

What are hybrid lenses ideal for?

Answer 2

1. astigmatism
2. presbyopia
3. keratoconus
4. irregular cornea

Question 3

What is the junction between GP lens material and soft lens material of hybrids called?

Answer 3

Hyperbond

Question 4

How many skirt curves are available for the Duette lens? 1. What is the replacement schedule for those lenses? 2

Answer 4

1. 4

2. every 6 months

Question 5

How many diopters of corneal cyl can be corrected with Duette lenses?

Answer 5

up to 6 D

Question 6

Is the progressive Duette design center near or center distance? 1. What are the add powers available? 2

Answer 6

1. center near

2. +1.00, +1.75, +2.50 (ALWAYS round down)

Question 7

What is the initial fit of Duette lenses?

Answer 7

0.50 to 0.75 above (steeper than) flat K

Question 8

What is the most important factor in hybrid lenses?

Answer 8

centration

Question 9

How is the soft skirt of a Duette lens calculated?

Answer 9

based on corneal diameter:

1. 11.7 of smaller get flat (8.4) skirt
2. 11.8 or larger get medium (8.1) skirt

Question 10

For high astigmatic patients (2.25 or more) what should be done for the Duette lenses?

Answer 10

use enhanced profile (thicker)

Question 11

What type of lens cleaner should be used for Duette lenses?

Answer 11

Clear Care

Question 12

How do you avoid getting bubbles at the lens junctions that can cause discomfort?

Answer 12

add small amount of solution into bowl before insertion