26/11/04 BSCRS 2004 Aberrometry in daily practice Bernard Mathys, MD.

26/11/04 BSCRS 2004

www.drmathys.be

Aberrometry in Aberrometry in daily practicedaily practice

Bernard Mathys, MDBernard Mathys, MD

BSCRS 2004 www.drmathys.be

What is Aberrometry ?What is Aberrometry ?

New « science »New « science » New vocabularyNew vocabulary Understanding the way people « see Understanding the way people « see

» »

BSCRS 2004 www.drmathys.be

Hartmann-Shack Wavefront MeasurementHartmann-Shack Wavefront Measurement

Perfect Eye

Aberrated Eye

Lenslet Array

CCD Array Spot Array Wave Aberration

C. of Williams Lab - CVS

BSCRS 2004 www.drmathys.be

AberrationsAberrations

BSCRS 2004 www.drmathys.be

AberrometerAberrometer

BSCRS 2004 www.drmathys.be

Clinical UseClinical Use

Refractive SurgeryRefractive Surgery RK, PRK, Lasik, IOLRK, PRK, Lasik, IOL

Cataract assessmentCataract assessment Keratoconus evaluationKeratoconus evaluation

BSCRS 2004 www.drmathys.be

But also…But also…

Any visual problemsAny visual problems Refractive complaintsRefractive complaints Quality of vision : altered or not ?Quality of vision : altered or not ? A few cases…A few cases…

BSCRS 2004 www.drmathys.be

FluctuationsFluctuations

BSCRS 2004 www.drmathys.be

Cataract assesmentCataract assesment

BSCRS 2004 www.drmathys.be

Dry EyesDry Eyes

BSCRS 2004 www.drmathys.be

Keratoconus Follow-upKeratoconus Follow-up

BSCRS 2004 www.drmathys.be

Preop IOLPreop IOL

BSCRS 2004 www.drmathys.be

Postop IOLPostop IOL

BSCRS 2004 www.drmathys.be

Unsatisfactory RKUnsatisfactory RKMultiple cuts, undercorrection & overcorrectionMultiple cuts, undercorrection & overcorrection

BSCRS 2004 www.drmathys.be

Post unsatisfactory LasikPost unsatisfactory Lasik

BSCRS 2004 www.drmathys.be

Flap-related Aberrations Flap-related Aberrations

BSCRS 2004 www.drmathys.be

Corneal reshapingCorneal reshapingOvercorrected & astigmatic RKOvercorrected & astigmatic RK

BSCRS 2004 www.drmathys.be

Corneal reshapingCorneal reshapingOvercorrected RKOvercorrected RK

BSCRS 2004 www.drmathys.be

Z-reshaping post-PRKZ-reshaping post-PRKUndercorrected PRKUndercorrected PRK

BSCRS 2004 www.drmathys.be

Haze FormationHaze Formation

BSCRS 2004 www.drmathys.be

ConclusionConclusion

Usefull toolUsefull tool Another approach to visual problemsAnother approach to visual problems Different languageDifferent language Well-trained technicianWell-trained technician Time consumingTime consuming Interpretation more difficult than Interpretation more difficult than

topographytopography

BSCRS 2004 www.drmathys.be

Thank you for your Thank you for your attentionattention