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19-3-2018 1 Topography as a performance predictor Sander Sterk, Arjan de Vecht, Ron Beerten Evolution of topography K-Readings Diameter of Measure 3mm 10.5mm Corneal GP 14.0mm Soft Lens 15+mm Scleral Kojima & Beerten 2016

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19-3-2018

1

Topography as a performance predictor

Sander Sterk, Arjan de Vecht, Ron Beerten

Evolution of topography

K-ReadingsDiameter of Measure

3mm

10.5mm Corneal GP

14.0mm Soft Lens15+mm Scleral

Kojima & Beerten 2016

19-3-2018

2

Types of Corneal Topographers

Reflection ProjectionKojima & Beerten 2016

Reflection Systems

PlacidoReflection

LEDReflection

ProfilometryReflection

Kojima & Beerten 2016

Placido Topographers

Kojima & Beerten 2016

19-3-2018

3

LED Topography

Kojima & Beerten 2016

ProfilometryTopography

Up Gaze Straight Gaze Down Gaze

19-3-2018

4

Profilometry Topography

Projection Topography

Projection Topography

Axial MapAnterior

Elevation

CornealThickness

PosteriorElevation

19-3-2018

5

OCTOptical coherence tomography

Evolution in topography

• Great technology available!• What does it bring us in contact lens practice?• How do we get the most out of our topographer?• Topography as a performance indicator……….?

• Arjan and Sander help us out!

Questions?

19-3-2018

6

Topography as a performance predictor

Sander Sterk, Arjan de Vecht, Ron Beerten

Thanks for listening!