Using Atlas Corneal Topography In Practice?
Kenneth A. Lebow, OD, FAAO
Tuesday, December 30, 2014
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Chapters
Introduction
Indications for Corneal Topography
Billable Procedure
Can be used as an S-Code procedure
Corneal Topography Basics
Corneal Geometry
Topography Maps
How Do I Use Topography In My Contact Lens Practice?
Maps I Use
Soft Lenses
Soft Toric Fitting
OD/OS Comparison
Overview Map
Trend Analysis
3-Difference Map
Soft Lenses: Complicated Fitting
Complicated Toric Fit
Single View
Complication
Rings Image
2-Difference Map
Overview
MasterFit II
Let's Look At How MasterFit Works
MasterFit Steps
Enter Prescription Data
Allow Master Fit to Design the Fit
Select Specific Fitting Algorithms
Compare to the Elevation Map
Actual Lens Fit vs. Elevation Map vs. MasterFit
Keratoconus Example
Lens Example 1
Lens Example 2
Differentiating Keratoconus from Pellucid Marginal Degeneration
PMD Topographic Criteria
Pellucid Marginal Degeneration
Axial Map
Elevation Map Peak Elevation Indicator
PMD vs. KCN
RGP Lenses
Refitting RGP-Induced Corneal Distortion
Contact Lens Parameters - OD
Slit Lamp Evaluation
OD Topography
MasterFit Suggestion
Refit RGP Lenses
Final Lens Fit
2-Difference Map
Conclusion
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