Soft Lens fit
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt Play1/10
There's no tags or description
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai | Chat |
|---|
No analytics yet
Send a link to your students to track their progress
11 Terms
Contact Lens:
What do we look for when staining?
Type
Depth
Location
Grade
Contact Lens:
What are the types of staining?
Punctate
Diffuse punctate
Coalescent patch
Mechanical
How to assess a soft CL fit?
Centration + Coverage
Lag
Push up (ease and recovery)
Movement on blink
Wettability + Deposits
What is the average movement on blink?
0.3mm
What measurements are needed for Soft CLs?
HVID
Vertical palpebral aperture
Pupil size
What is the TD for a soft CL?
What is the BOZR for a soft CL?
Soft TD= HVID + 2mm
BOZR= flattest K reading + 0.7-1mm
How can TD affect lens movement/ fit in a soft lens?
Larger TD → less lens movement
Smaller TD → more lens movement
Larger TD → Improved centration
Strategies to improve a loose fitting soft lens?
Increase TD
More flexible lens
Steeper BOZR to aid centration
Strategies to improve a tight fitting soft lens?
Decrease TD
Try thicker/ less flexible/ Higher modulus lens to increase lid interaction
What information is needed to place a soft CL order?
Manufacturer
Lens design
BOZR/ TD/ BVP
Quantity
Example of a soft lens order
Johnson + johnson
1-Day acuvue oasys
8.5/ 14.3/ -3.00
1 box (30 lenses)