Lenses>Specialty GP>Keratoconus>I Kone Lens
Link to the I Kone Lens Fitting Guide
Design
Keratoconus
Manufactured in the Boston XO material.
Larger optic zone results in better distribution of bearing zone, thus better centration.
Candidates
Patients who have diagnosed with keratoconus.
Lens Parameters
Any base Curve radius
Diameters
8.8, 9.6, 10.4
Edge Lift
Standard, steps steeper and flatter than standard
Fitting
Average diameter is 9.6mm
Use trial lenses in a diagnostic set.
Use the trial lens that is closest to the steepest corneal curve.
If corneal data is not available, select the 50.00D (6.75 mm) base curve lens from the trial set to begin the evaluation process.
Standard periphery can be ordered steeper or flatter if necessary.