59th ICLEP Session 5

1. What is not an acceptable fitting characteristic of a scleral contact lens?

•  a) 80 - 100 microns of limbal clearance

• b) 200 - 300 microns of central clearance

• c) Slight touch in the apex of the cornea

• d) Slight focal blanching in the conjunctiva

  
  

2.When fitting fluid ventilated scleral contact lenses, which modification can be done to prevent corneal edema?

•  a) Maintaining a tight lens fit

• b) Minimizing fluid reservoir under the lens

• c) Allowing minimal lens movement during blinking

•  d) Reducing lens diameter to fit snugly against the cornea

3. Scleral lens design consists of

• A. Optical Zone 

• B. Transition Zone / Mid-Haptic zone

• C. Landing zone

• D. All of the above

4.In how many quadrants you can modify peripheral haptic zones in BostonSight Scleral lens?

• A. 2

• B. 4

• C. 5

• D. 1

5. 5. If a hole is created in the scleral lens at the limbal portion, it is called

• Channels

• Notching

• Front surface eccentricity

• Fenestration